Topic: Chapter 4: Electricity (Test 1)



Topic: Chapter 4: Electricity
Q.1
Which of the following is correct?
A. Rate of change of charge is electrical power.
B. Rate of change of charge is current.
C. Rate of change of energy is current.
D. Rate of change of current is charge.
Answer : Option B
Explaination / Solution:
No Explaination.


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Q.2
SI unit of resistance is
A. mho
B. joule
C. ohm
D. ohm meter
Answer : Option C
Explaination / Solution:
No Explaination.


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Q.3
In a simple circuit, why does the bulb glow when you close the switch?
A. The switch produces electricity.
B. Closing the switch completes the circuit.
C. Closing the switch breaks the circuit.
D. The bulb is getting charged.
Answer : Option B
Explaination / Solution:
No Explaination.


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Q.4
Kilowatt hour is the unit of
A. resistivity
B. conductivity
C. electrical energy
D. electrical power
Answer : Option C
Explaination / Solution:
No Explaination.


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