jeopardy jeopardy phy101 chapter 7 review study of electricity by cheryl dellai
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JeopardyJeopardyJeopardyJeopardyPHY101
Chapter 7 Review
Study of Electricity
By Cheryl Dellai
Study of Electricity
Basics E FieldCircuit
ElementsEquation
sProblems Potpourri
$100 $100 $100 $100 $100 $100
$200 $200 $200 $200 $200 $200
$300 $300 $300 $300 $300 $300
$400 $400 $400 $400 $400 $400
Basics $100
What is the basic unit of charge?
ANSWER
ANSWER
Basics $200
Like charges (repel/attract)
ANSWER
Basics $300
What is meant by Conservation of Charge?
ANSWER
Basics $400
What is Coulomb’s Law?
E Field $100
ANSWER
What is the definition of an Electric Field?
ANSWER
Electric field lines start on ____ charges and end on ____ charges or infinity.
E Field $200
ANSWER
E Field $300
The energy per unit charge supplied by a battery is its ________ .
E Field$400
ANSWER
What kind of charge is at the center of this picture?
Circuit Elements $100
ANSWER
What is the definition of conventional current?
Circuit Elements $200
ANSWER
What is a battery?
Circuit Elements $300
ANSWER
What is a resistor?
Circuit Elements$400
ANSWER
Suppose current is flowing in a wire from right to left. Which way do the electrons in the wire move?
Equations$100
ANSWER
What is Ohm’s Law?
Equations$200
ANSWER
What is the Power Equation?
Equations$300
ANSWER
What is the Power Usage equation?
Equations$400
ANSWER
Complete TableUse Add, Add Reciprocally R, Same to complete table
Series Parallel
Charge/Current
Voltage
Resistance
Problems$100
ANSWER
The light bulbs in this circuit are connected in _______.
Problems$200
ANSWER
The light bulbs in this circuit are connected in ____ .
Problems$300
ANSWER
A battery operating a large flashlight produces a current of 2 amperes in a light bulb that has a resistance of 4 ohms. The voltage of the battery is_______ .
Problems$400
ANSWER
Two charged bodies separated by a distance d exert an electrical force on each other. The distance d is doubled. The electrical force on each body is now ____ times the original force.
Potpourri $100
ANSWER
Name 2 types of current.
Potpourri $200
ANSWER
What does a transformer do?
Potpourri $300
ANSWER
If the temperature of a wire increases, its resistance _________ .
Potpourri $400
ANSWER
Lightning is dangerous to humans because lightning strokes have ________
Basics$100
Answer
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What is the basic unit of charge?Coulomb
Basic ChargesProton p+ = +1.6*10-19CElectron e- = - 1.6*10-19C
Basics$200
Answer
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Like charges (repel/attract).
Repel
Basics$300
Answer
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Conservation of ChargeNet charge of universe is zero.
Basics$400
Answer
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What is Coulomb’s Law?
F = kEq1q2/d²
kE =9.0 *109 N*m²/C²
E Field$100
Answer
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What is the definition of an Electric Field?
E=F/q E = kEq/d² for a pt charge
SI Unit is N/C or Volts/m
E Field$200
Answer
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Electric field lines start on + charges and end on charges or infinity.A positive follows the electric field lines.
E Field$300
Answer
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The energy per unit charge supplied by a battery is its voltage.
E Field$400
Answer
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What kind of charge is at the center of this picture?
It is positive.
Circuit Elements $100
Answer
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What is the definition of conventional current?
Flow of positive charge even when the charge is negative.SI unit 1 C/s = ! Amp = A
Circuit Elements $200
Answer
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What is a battery?A battery is a device that supplies energy to a circuit by chemical reaction.
EMF is Energy/Charge The SI is 1J/C = 1 Volt.
Circuit Elements $300
Answer
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What is a resistor?
A device that opposes the flow of current.
Resistance R = V/I 1 Volt/Amp = 1 ohm = 1
Circuit Elements $400
Answer
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Suppose current is flowing in a wire from right to left.
Which way do the electrons in the wire move?
Left to right
Equations$100
Answer
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What is Ohm’s Law?V = IR R is constant
Equations$200
Answer
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What is the Power Equation?Power = IV =I²R = V²/R
Equations$300
Answer
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What is the Power Usage equation?Energy = Power*Time
1 kW*h = 3,600,00 J = 3.6 MJ
Equations$400
Answer
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Complete TableUse Add, Add Reciprocally R, Same to complete table
Series Parallel
Charge/Current Same Add
Voltage Add Same
Resistance Add Add R
Problems$100
Answer
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The light bulbs in this circuit are connected in parallel.
Problems$200
Answer
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The light bulbs in this circuit are connected in series.
Problems$300
Answer
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A battery operating a large flashlight produces a current of 2 amperes in a light bulb that has a resistance of 4 ohms.
The voltage of the battery is_______ .
V = IR = 8 Volts
Problems$400
Answer
Back to Jeopardy
Two charged bodies separated by a distance d exert an electrical force on each other. The distance d is doubled. The electrical force on each body is now 0.25 times the original force.
Potpourri $100Answer
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Name 2 types of current.
DC and AC
Potpourri $200Answer
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What does a transformer do?Step up or down voltage in AC circuit.
Potpourri $300Answer
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If the temperature of a wire increases, its resistance increase.
Potpourri $400Answer
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Lightning is dangerous to humans because lightning strokes have large current.
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Electricity Jeopardy!
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