Free Printable Electricity

1.

How do we express electric current ?

a)

Rate of flow of Charge

b)

Rate of flow of Resistance

c)

Rate of flow of OHM

d)

Rate of flow of Volt

2.

What is formula of Electric current ?

a)

$I=\frac{Q}{T}$

b)

$V=IR$

c)

$I2=\sqrt[2]{\Delta}$

d)

$Q=\frac{I}{T}$

3.

What is the name of this Symbol ?

a)

Ammeter

b)

Bulb

c)

Rheostat

d)

Resistor

4.

SI Unit of Work ?

a)

Ampere

b)

Joule

c)

Volt

d)

Couloumb

5.

What is the formula of Potential Difference ?

a)

$\frac{cq}{av}=1$

b)

$\frac{w}{q}=v$

c)

$i=\frac{v}{r}\times qc$

d)

$i=\frac{v}{r}$

6.

SI Unit of time is ?

a)

Eons

b)

Minutes

c)

Hours

d)

Seconds

7.

Electric Current in a conductor is produced by ?

a)

The Flow of Volt

b)

The Flow of Electrons

c)

The Flow of Coulomb

d)

The Flow of Ampere

8.

Conventionally the direction of electric current is from ?

a)

Positive to Negative Terminal

b)

Negative to Positive Terminal

9.

Who discovered Ampere ?

a)

Andre Maria Volta

b)

Andre Marie

Coulomb

c)

Andre Marie Ampere

d)

Andre Maria Ampere

10.

What is the formula of Quantization of charge ?

a)

$Q=NE$

b)

$Q=NRW$

c)

$Q=DS$

d)

$Q=NT$

11.

A simple circuit comprises of ,conductors, switch, load and ?

a)

Voltmeter

b)

Ammeter

c)

Cell

d)

Resistor

12.

What is Potential Difference ?

a)

Difference of Electric Pressure

b)

Difference of Ohm

c)

Difference of Resistor

d)

Difference of Electric Current

13.

A Current of 0.5 A is drawn by a filament of an electric bulb for 10 mins . find the amount of electric charge that flows through the circuit ?

a)

300 C

b)

100C

c)

290 C

d)

8000 C

14.

How much work is done in moving a charge of 2C across 2 points having a potential difference ?

a)

20 J

b)

23 J

c)

21 J

d)

24 J

15.

Electric potential is a ?

a)

Scalar

b)

Neither Scalar nor Vector

c)

Both

d)

Vector

16.

The instrument used for measuring electric current is ?

a)

Galvanometer

b)

Voltmeter

c)

Ammeter

d)

Potentiometer

17.

The commercial unit of energy is ?

a)

Watt

b)

Kilo-joule

c)

Watt-hour

d)

Kilowatt-hour

18.

In a filament type light bulb, most of the electric power consumed appears as ?

a)

Fluorescent light

b)

Infra-red rays

c)

Visible light

d)

Ultraviolet rays

19.

The potential difference applied is directly proportional to current only if ?

a)

Never

b)

Sometimes

c)

When temperature is constant

d)

Always

20.

Ohm’s law is applicable to ?

a)

Vacuum tubes

b)

None of these

c)

Carbon resistors

d)

Semiconductors

Electricity

Total questions: 20

Worksheet time: 9mins

Similar Resources on Wayground