SMK FOMRAINSTITUTE OF TECHNOLOGY OMR,Kelambakkam, 603103

Reg.No.312114

PROG & BRANCH BE ECE, BMEUNIT TEST III

SEMESTERIIDATE26.02.2015

MAX MARKS50TIME90 min

Sub Code / NameEE 6201-CIRCUIT THEORY

PART A5 2 = 10 marks1. Define Reciprocity theorem2. Define resonance3. What is quality factor?4. Explain self inductance and mutual inductance5. Define coefficient of couplingPART B2 16 = 32 marks

6. i. a. Determine the load resistance that will receive maximum power from the source in the network and also find the maximum power delivered to the load

(6)b. Find the maximum power delivered to the load impedance ZL in the given circuit

(10)

ORii.

a) Verify reciprocity theorem for the following circuit(10)

b) Determine current I in the circuit

7. i. Derive the expression for frequency response and quality factor for a series RLC circuit.(16)ii. Derive the expression for frequency response and quality factor for a parallel RLC circuit.(16)

PART C 1 8 = 8 marks

8. Derive the expression for power factor for a series and parallel RLC circuit for the following conditionsi. XL>XCii. XL