Live Education Quiz

1

Which graph represents Ohm’s law?

A

Current vs Resistance

B

Voltage vs Resistance

C

Current vs Voltage

D

Power vs Voltage

2

In a parallel combination of resistors, the total resistance is:

A

Greater than each resistor

B

Equal to the largest resistor

C

Less than the smallest resistor

D

Zero

3

Electric power can be calculated using the formula:

A

P = IR

B

P = V/I

C

P = VI

D

P = R/I

4

In a series combination of resistors, the total resistance is:

A

Less than the smallest resistance

B

Equal to one resistor

C

Sum of all resistances

D

Product of resistances

5

Which quantity remains the same in all components of a series circuit?

A

Voltage

B

Current

C

Resistance

D

Power

6

Electric power is the rate of:

A

Charge flow

B

Energy consumption

C

Voltage change

D

Resistance increase

7

Which factor increases electric power?

A

Decrease in voltage

B

Decrease in current

C

Increase in voltage

D

Increase in resistance

8

Which of the following is NOT a circuit element?

A

Resistor

B

Cell

C

Wire

D

Magnet

9

Electric shock occurs due to:

A

Low voltage

B

High resistance

C

Flow of current through body

D

Static charge

10

Electricity is widely used because it is:

A

Expensive

B

Difficult to control

C

Easy to transmit

D

Dangerous

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