subject - mvp

Prepared By: Prof.S.P.Jagtap ( Department of Science and Humanity ) Page1 of 29

Subject

ELECTRONIC ENGINEERING MATERIALS

(22217)


Chapter No. Name of chapter Marks With

Option

1 CONDUCTIVITY OF MATERIALS 18

2 DIELECTRIC MATERIALS 16

3 MAGNETIC PROERTIES OF MATERIALS 16

4 SEMICONDUCTOR MATERIALS 12

5 MICROELECTRONIC COMPONENTS AND SPECIAL

MATERIALS 08

Total Marks :- 102


Q.1 Attempt any FIVE 5*2=10

a)

b)

c)

d)

e)

f)

g)

Q.2 Attempt any THREE 3*4=12

a)

b)

c)

d)



a)

b)

c)

d)


a)

b)

c)

d)

e)

Q.5 Attempt any TWO 2*6=12

a)

b)

c)

Q.6 Attempt any TWO 2*6=12

a)

b)

c)


Syllabus:-


Q.1

Attempt any FOUR 4*2=8Marks

Course Outcome

(CO)

a) DIELECTRIC MATERIALS CO-217.2

b) CONDUCTIVITY OF MATERIALS CO-217.1

c) CONDUCTIVITY OF MATERIALS CO-217.1

d) MAGNETIC PROERTIES OF MATERIALS CO-217.3

e) CONDUCTIVITY OF MATERIALS CO-217.1

Chapter No. Name of the Unit Course Outcome

(CO)

1 CONDUCTIVITY OF MATERIALS CO-217.1

2 DIELECTRIC MATERIALS CO-217.2

3 MAGNETIC PROERTIES OF MATERIALS CO-217.3


f) DIELECTRIC MATERIALS CO-217.2

Q.2 Attempt any THREE 3*4=12Marks Course Outcome

(CO)

a) DIELECTRIC MATERIALS CO-217.2

b) CONDUCTIVITY OF MATERIALS CO-217.1

c) DIELECTRIC MATERIALS CO-217.2

d) CONDUCTIVITY OF MATERIALS CO-217.1

e) DIELECTRIC MATERIALS CO-217.2

f) CONDUCTIVITY OF MATERIALS CO-217.1


Syllabus:-

Unit

No.

Name of the Unit

Course Outcome

(CO)

3 MAGNETIC PROERTIES OF MATERIALS CO-217.3

4 SEMICONDUCTOR MATERIALS CO-217.4

5 MICROELECTRONIC COMPONENTS AND SPECIAL

MATERIALS CO-217.5

Q.1

Attempt any FOUR 2*4= 8Marks

Course

Outcome

(CO)

a) MAGNETIC PROERTIES OF MATERIALS CO-217.3

b) SEMICONDUCTOR MATERIALS CO-217.4

c) MAGNETIC PROERTIES OF MATERIALS CO-217.3

d) MICROELECTRONIC COMPONENTS AND SPECIAL

MATERIALS CO-217.5

e) SEMICONDUCTOR MATERIALS CO-217.4

f) MICROELECTRONIC COMPONENTS AND SPECIAL

MATERIALS CO-217.5


Q.2 Attempt any THREE 3*4=12Marks

Course

Outcome

(CO)

a) MAGNETIC PROERTIES OF MATERIALS CO-217.3

b) MICROELECTRONIC COMPONENTS AND SPECIAL

MATERIALS CO-217.5

c) MAGNETIC PROERTIES OF MATERIALS CO-217.3

d) SEMICONDUCTOR MATERIALS CO-217.4

e) MICROELECTRONIC COMPONENTS AND SPECIAL

MATERIALS CO-217.5

f) SEMICONDUCTOR MATERIALS CO-217.4


COURSE:- ELECTRONIC ENGINEERING MATERIAL (22217)

PROGRAMME: - ELECTRONICS AND TELECOMMMUNICATION ENGG.

CO.NO Course Outcome

CO-217.1 Choose relevant metal on basis of conductivity property.

CO-217.2 Interpret properties of dielectric materials.

CO-217.3 Select relevant magnetic materials for the specified electronics application.

CO-217.4 Select relevant semiconductor device fabrication materials.

CO-217.5 Select material for the relevant application.


UNIT NO.I

CONDUCTIVITY OF MATERIALS

………………………………………………………………………………………………...

Q.1) Define superconductivity. State its application (W-18,S-19)

Q.2) Define electric current and state its SI unit.

Q.3) Define electric charge and state its SI unit.

Q.4) Define electron emission.

Q.5) Define Thermionic emission. (W-18)

Q.6) What is photoelectric emission?

Q.7) What is Thermo e.m.f.

Q.8) What is Electron mobility? State its unit.

Q.9) State thermoelectric effect.

Q.10) List any two application of photoelectric emission.

Q.11) Define resistivity. State its SI unit. (S-18,W-18)

Q.12) Define Conductance. State its SI unit.

Q.13) Which metal has the highest conductivity?

Q.14) Define minimum and threshold frequency.

Q.15) State two important characteristics of metal.

Q.16) List electrical conducting material (any four).. (S-18)

Q.17) Define thermocouple


Q.18) what is photoconductivity.

Q.19) State the effect of following factors on resistivity of electrical conducting

Material :(i) Temperature (ii) Alloying (iii) Cold work (iv) Age Hardening 4 (S-18)

Q.20) Describe Peltier thermoelectric effect. State its application. (S-18)

Q.21) State effect of temperature on superconductivity of metals. (S-18)

Q.22) Describe super conductivity. State its applications. (W-18)

Q.23) Describe the effects of temperature on conductivity of metals. (W-18)

Q.24) Describe the process of photo emission. State the application of photo emission in

electronic components. (W-18)

Q.25) Describe the principle of thermoelectric. State thermoelectric materials (W-18)

Q.26) Define Electron mobility. State its significance in electronic components. (W-18)

Q.27) State the different modes of electron emission in metal. Explain any two modes of

emission. . (W-18)

Q.28) Explain seekback effect and give its two applications. . (S-19)

Q.29) List any two applications of thermionic emission. (S-19)

Q.30) Explain the concept of field emission and give its two applications. (S-19)

Q.31) State and explain various factors affecting the resistivity of electrical

materials. (S-19)

Q.32) Explain the effect of temperature on the electrical conductivity of metal. (S-19)


Q.33) suggest suitable material for (i) Secondary emission (ii) Photoelectric emission and

explain any one emission process. Give one application of each. (S-19)

Q.34) State Thomson effect.

Q.35) State any two materials used for cathode in thermionic emission.

Q.36) State the principle of photo electric emission.

Q.37) State application of electrical conductor material in tungsten.

Q.38) State application of electrical conductor material in copper.

Q.39) State application of electrical conductor material in carbon and graphite.

Q.40) State application of electrical conductor material in Silver.

Q.41) State application of electrical conductor material in Alloys.

Q.42) State application of electrical conductor material in Iron and steel.

Q.43) State application of electrical conductor material in Iron and lead.

Q.44) State application of electrical conductor material in Aluminium.

Q.45) State application of electrical conductor material in Nickel

Q.46) List any two application of themionic emission. (S-19)

Q.47) Define the term photoelectric emission. (S-18)

Q.48) Define Thermionic emission (W-18)

Q.49) List any two application of photoelectric emission. (W-19)


Q.50) Explain the process of photoelectric emission. (W-19)

Q.51) The resistivity of pure copper is 1.56 µ.Ω-cm. An alloy of copper containing 1 atomic

percent nickel has a resistivity of 2.81 µ.Ω-cm. An alloy of copper containing 3 atomic

percent silver has a resistivity of 1.98 µ.Ω-cm . Calculate the resistivity of copper alloy

containing 2 atomic percent nickel and 2 atomic percent silver.

…………………………………………….xxxxx…………………………………………


UNIT NO.II

DIELECTRIC MATERIALS

………………………………………………………………………………………………...

Q.1) List of dielectric materials.( any four) (S-18)

Q.2) State any four dielectric materials (W-18)

Q.3) List any two examples of ferroelectric materials. (W-18,w-19)

Q.4) Give any two properties of polymers. (S-19)

Q.5) Explain the requirements of good insulating material. (S-19,W-18,S-18)

Q.6) Explain the concept of piezo-electricity and give its two applications. (S-19)

Q.7) Explain the effect of a dielectric on the behaviour of a capacitor. (S-19)

Q.8) Describe the breakdown in solid dielectric materials (S-19)

Q.9) State one application for the given dielectric material: (i) Mica (ii) Rubber

(iii) Cotton (iv) Wood (v) Polythene (S-19)

Q.10) Describe the concept of piezo electricity and state its applications. (w-18)

Q.11) Write one application for the give dielectric material. (i) Polyvinyl Carbide(PVC)

(ii) Glass (iii) Mica (iv) Cotton and Silk. (w-18,S-19)


Q.12) Describe dielectric strength and dielectric constant with respect to dielectric

materials. (w-18)

Q.13) Describe the concept of Ferro electricity. Explain the application of Ferro

electric material. (w-18)

Q.14) Describe the effect on the capacitance of the dielectric material on the basis of

factors polarizability and permittivity. (S-18)

Q.15) Describe the concept of Ferro electricity. State its applications. (S-18)

Q.16) State any two properties and application of following material: i) Mica

ii) Transformer oil iii) Rubber IV) Polymer (S-18)

Q.17) Describe effect of plate area, thickness of dielectric material, permittivity

On capacitance of a capacitor. (S-18)

Q.18) Explain the concept of piezo electricity and state it’s any one application. (w-19)

Q.19) Write one application for the given dielectric material:

i) Mica ii) Bakelite iii)Rubber iv)Polythene (w-19)

Q.20) Write one property for the given dielectric material i) Ceramic

ii) Porcelain iii)Poly vinyl chloride (PVC) iv) Cotton v) Silk vi) Glass (w-19)

Q.21) Define leakage current.

Q.22) Define breakdown in dielectric materials.

Q.23) Explain the effect of a dielectric on the behaviour of a capacitor.

Q.24) Define Curie point in relation with the ferroelectric materials.


Q.25) Define piezoelectricity.

Q.26) State any two piezoelectric material.

Q.27) Explain what is electronic polarizability.

Q.28) Describe the breakdown in gaseous dielectrics.

Q.29) Explain the breakdown in solid dielectrics.

Q.30) Write a short note on rubber as insulating material.

Q.31) State the important characteristics types and application of Polymers.

Q.32) State the two important roles played by the transformer oil.

Q.33) State four selection factors for selecting an insulating material. (S-18)

Q.34) Explain the effect on the capacitor of the dielectric material on the basis of

factors polarizability and permittivity.

Q.35) Describe the concept of ferroelectricity. State its four applications.

Q.36) Give any two properties of polymers. (S-19)

Q.37) Explain briefly the frequency dependence of electronics polarisability.

Q.38) Write a short note on the frequency dependence of permittivity.


Q.39) Explain briefly the frequency dependence of dielectric constant.

Q.40) What is dielectric constant and dielectric loss.

Q.41) Explain dielectric properties of polymeric system.

Q.42) Explain breakdown in gaseous material.

Q.43) Define breakdown strength and electric strength.

Q.44) Explain breakdown in liquid insulating material.

Q.45) What is Ferro electricity? Explain it briefly.

Q.46) List few examples of piezoelectric materials.

Q.47) State application of piezoelectric crystals.

Q.48) What is properties and application of Enamel Covering.

Q.49) What is properties and application of Transformer Oils.

Q.50) What is properties and application of Poly vinyl chloride (PVC).

Q.51) Explain the concept of thermoelectric effect and give any two materials for

thermocouples (W-19)

……………………………………….xxxxxxx………………………………………….


UNIT NO.III

MAGNETICS PROPERTIES OF MATERIALS.

………………………………………………………………………………………………...

Q.1) Define the term ‘Permeability’. State its unit. (S-18)

Q.2) Give the classification of magnetic materials. (S-19)

Q.3) Explain various factors that affecting the permeability. (S-19)

Q.4) Draw and explain the typical magnetization curve for a ferromagnetic

material. State the application of ferromagnetic materials. . (S-19)

Q.5) Explain the properties of magnetic materials with examples: (i)Permanent

magnetic dipole (ii)Para magnetism(iii)Diamagnetism (S-19)

Q.6) State the classification of magnetic material. (W-18)

Q.7) What the term ‘Permeability’?

Q.8) Explain the origin of permanent magnetic dipoles.

Q.9) Explain briefly the following magnetic material :i) Diamagnetic

ii) Paramagnetic iii) Ferromagnetic.

Q.10) List few examples of ferromagnetic materials.

Q.11) State magnetostriction effect.

Q.12) Write a short note on magnetostriction.

Q.13)What is hysteresis loop? Explain it briefly.

Q.14) State the factor affecting permeability and hysteresis loss.

Q.15) Describe the concept of piezo electricity and state its applications. (W-18)

Q.16) Draw and explain hysteresis loop in magnetic material. (W-18)


Q.17) Explain the concept of anti-Ferromagnetism and state its significance. (W-18)

Q.18) Explain the concept of anti-Ferromagnetism and state its significance. (W-18)

Q.19) Define magnetic permeability. State and explain the factors affecting permeability

Of magnetic materials. (W-18)

Q.20) Explain magnetostriction property. Explain generation of ultrasonic using

magnetostriction (W-18)

Q.21) List the properties and application of the following materials:

i) Pure iron ii) Silicon –iron alloy iii) Nickel iron alloy.

Q.22) Give the classification of magnetic material and define magnetic material

Q.23) Define magnetic material

Q.24) What is magnetic dipole?

Q.25) State the value of μ0.

Q.26) Define relative permeability and state its units.

Q.27) What is magnetic susceptibility? State its unit.

Q.28) State the relation between susceptibility and relative permeability.

Q.29) Define diamagnetic material.

Q.30) Define paramagnetic material.

Q.31) What is initial permeability.

Q.32) What are anti-ferromagnetic materials?

Q.33) Define ferromagnetic material.

Q.34) What is magnetostriction.

Q.35) What is the unit of permanent dipole moment due to spin?

Q.36) Define curie temperature of a ferromagnetic material.


Q.37) What is hysteresis loss?

Q.38) What is Neel temperature?

Q.39) Classify the magnetic material on the basis of polarity of susceptibility.

Q.40) Write a short note on; Ferromagnetic material and their magnetization curve.

Q.41) Compare different types of magnetic material.

Q.42) On the basis of given properties, identify the magnetic material

i) Permanent magnetic dipole ii) Diamagnetism iii) paramagnetism

iv) Ferromagnetism (W-19)

Q.43) Describe the magnetization curve.

Q.44) Explain the concept of anti-ferromagnetism. (S-19)

Q.45) Explain the properties of magnetic material with examples:

i) Permanent magnetic dipole ii) paramagnetism

Q.46) Sketch orientation of spins in paramagnetic,ferromagnetic, anti-ferromagnetic

And ferrimagnetic material. (S-18)

Q.47) Describe with sketch B-H curve.State of change in temperature on area

Of B-H curve (S-18)

Q.48) Classify-following material as diamagnetic, paramagnetic, ferromagnetic and anti-

ferromagnetic: (i) Platinum (ii) Iron (iii) Glass (iv) Nickel oxide (V) Quartz (vi) Silicon Iron

alloy (S-18)

Q.49) Explain hysteris loss and eddy current loss of magnetic material. (S-18)

Q.50) Draw and explain hysteresis loop in magnetic material. (W-18)

…………………………………………………………..xxxxx……………………………………………………………..


UNIT NO.IV

SEMICONDUCTOR MATERIALS

………………………………………………………………………………………………...

Q.1) Sketch energy band diagram of intrinsic semiconductor. (S-18)

Q.2) Pentavalent impurity materials are called as Donor impurity.’ Justify your

answer. (S-18)

Q.3) Compare P-type semiconductor with N-type semiconductor on the basis of (i)

Majority charge carrier (ii) Minority charge carrier (iii) Impurity material (iv) Fermi-level

position in energy band diagram. (S-18)

Q.4) Sketch energy band diagram of conducting and insulating material and label it

well. . (S-18)

Q.5) Explain thermal conductivity and coefficient of thermal conductivity in

semiconductor material. (S-18)

Q.6) Suggest two passive materials used for substrate. metal and capacitance of

semiconductor device fabrication. State their two functions. (S-18)

Q.7)Explain the formation of energy bands in solids.

Q.8) State any four materials used in fabrication of semiconductor device and

Describe its need. (W-18,w-19)

Q.9) Define intrinsic and extrinsic semiconductor. (W-18)

Q.10) State impurities for obtaining p-type and n-type semiconductor from

Intrinsic semiconductor (2 each) (W-18)

Q.11) Sketch energy band diagram of intrinsic semiconductor and define intrinsic

semiconductor.


Q.12) Explain the following in brief: i) Diffusion ii) Hall effect iii) Thermal

Conductivity (S-19)

Q.13) Explain the following material used for fabrication of semiconductor:

i) substrate ii) capacitance material iii) metals. (S-19)

Q.13) Draw energy level diagram of conductor and insulator. (W-19)

Q.14) List any two trivalent and pentavalent impurity material. (W-19)

Q.15) Explain how energy level are formed in a materials. (W-19)

Q.16) Explain diffusion (current) in a semiconductor. (W-19)

Q.17) Describe the Hall effect & state its applications. (W-19)

Q.18)Explain types of impurity added in a semiconductor with one example each. (S-19)

Q.19)State types of semiconductor

Q.20) What is an intrinsic semiconductor?

Q.21) What is an extrinsic semiconductor?

Q.22) List the types of extrinsic semiconductor.

Q.23) List the types of impurity elements.

Q.24) List any two trivalent and pentavalent impurity elements.

Q.25)Describe in brief intrinsic semiconductor.

Q.26) Describe in brief the impurity type semiconductor.

Q.27)Explain the diffusion of current in a semiconductor.

Q.28)What is difference between doping and alloying.

Q.29)Give the statement of Hall effect.

Q.30) What is Hall effect.


Q.31) Describe Hall effect and explain its relation to the mechanical force

exerted by magnetic field on a conductor.

Q.32) Explain in brief the electrical conductivity of a semiconductor.

Q.33)List the application of Hall effect.

Q.34) List the material exhibiting Hall effect.

Q.35) Describe the electrical conductivity of a semiconductor.

Q.36) Describe the thermal conductivity of a semiconductor.

Q.37) Describe the material used for the fabrication of semiconductor devices:

i) Substrate ii) Metal iii) capacitor iv) junction coating v) potting vi) packaging.

Q.38) Write a short note on a P type semiconductor.

Q.39) Write a short note on a N type semiconductor.

Q.40) Differentiate between P type semiconductor and N type semiconductor.

Q.41) Define Diffusion.

Q.42) Define Conductor, Semiconductor and Insulator.

Q.43) What is Example on P type semiconductor and N type semiconductor.

Q.44) Explain Packaging.

Q.45)Define Impurity.

Q.46) What is example on semiconductor.

Q.47) Explain junction coating.

Q.48) Write a note on capacitance material.

Q.49) Write a note on Substrate.


Q.50) Draw energy level diagram of semiconductor.

…………………………………………………………xxxxxxxxxxxx…………………………………………


UNIT NO.V

MICROELECTRONIC COMPONENTS AND SPECIAL

MATERIALS.

………………………………………………………………………………………………...

Q.1) State any four applications of micrometers. (S-19)

Q.2) Give various photoemissive materials and suggest relevant combination of material

for LED to emit Yellow and Green colour. (S-19)

Q.3) Suggest the relevant materials used in flexible and wearable antenna. (S-19)

Q.4) Give the material composition for obtaining RED and yellow colour LED. (S-19)

Q.5) State the materials used for fabrication of photo diode along with its

Justification. (S-19)

Q.6) Describe the process of photo emission. State the application of photo emission

in electronic components. (S-19)

Q.7) Explain the materials used in wearable antennas with their properties. (S-19)

Q.8) Define photo emissive material.

Q.9) List the different impurities used to emit different colours of light.

Q.10) Give various photoemissive materials and suggest relevant combination of material

for LED to emit Yellow and Green colour.

Q.11) List different impurities used for different wavelengths.

Q.12) State the working principle of electroluminescence

Q.13) List out application of LED

Q.14) Give the materials used for Green, Yellow and Red LEDs

Q.15) Give the functions of junction LASER


Q.16) Give the material used for flexible antenna.

Q.17) Give the material used for wearable antenna.

Q.18) Define the term antenna.

Q.19) Give different functions of antenna.

Q.20) State role of antenna in communication system.

Q.21) List photovoltaic materials.

Q.22) List different micro devices.

Q.23) List different materials for micro motors, micro relays and micro switches.

Q.24) State operating principle of micro relay.

Q.25) Explain with sketches the working of given type LASER.

Q.26) Explain the impurities used to emit different colours of light.

Q.27) Explain the impurities used for different wavelengths.

Q.28) Give applications of photovoltaic materials.

Q.29) Give the materials used for flexible and wearable antennas.

Q.30) Explain photovoltaic effects.

Q.31) Define the term wavelength and state its unit.

Q.32) Explain the properties of materials used for micro motors, micro relays and micro

switches.

Q.33) Give applications of micro motors.

Q.34) Give the photo emissive materials and impurities for the given colours of light (i)

Red (ii) Green (iii) Yellow

Q.35) State various types of antenna as per their use.

Q.36) Give application of micro relays.

Q.37) Give applications of micro switches.


Q.38) Define the photoemission

Q.39) State various photoemissive materials.

Q.40) Define dark current.

Q.41) What is the threshold wavelength?

Q.42) State any two photomissive alloys.

Q.43) Define electroluminescence.

Q.44) What type of light emission take place in LASERs?

Q.45) What is the long form of LASERs?

Q.46) State various materials used to produce LASER?

Q.47) Sate any four applications of a solar cell

Q.48) State any four characteristics of a flexible and wearable antennas.

Q.49) State three types of flexible and wearable antennas.

Q.50) What are the types of micromotors?

Q.51) State any four applications of micromotors.

Q.52) What is the function of a de-spiking diode?

Q.53) Define a switch

Q.54) What is the microswitch? State its typical dimensions and weight.

Q.55) Draw the contact configuration of a microswitch.

Q.56) define and explain the following terms related to photoemission.

1. Quantum efficiency 2. Sensitivity.

Q.57) Explain the important features of the photomissive material silver oxygen caesium

cathode.

Q.58) Explain the concept, basic process and types of electroluminescence.


Q.59) Write a note on injection laser.

Q.60) Explain the term photovoltaic materials.

Q.61) Explain the concentrating photovoltaic systems.

Q.62) Explain flexible and wearable antennas and state their characteristics.

Q.63) Suggest the relevant material in the Flexible and Wearable antennas. (S-19)

Q.64) Explain in details textile antennas.

Q.65) State working principle of LED (S-18)

Q.66) List specification of micro relay (S-18)

Q.67) State any two characteristics of

i) Electro textile ii) Textile antenna. Used for wearable antenna.

Q.68) State the material used for fabrication of photo diode along with its justification.

Q.69) Explain the material used in wearable antennas with their properties.(W-18)

Q.70) Explain the principle of stimulated emission and radiation in LASER.

Q.71) State any four application of micrometers (S-19)

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