Free Printable Current Electricity

1.

Static electricity is produced due to .......

a)

friction

b)

induction

c)

electric current

d)

both friction & induction

2.

_______ number of electrons have charge equal to 1 coulomb.

a)

$6.25\times10^{19}$

b)

$6.25\times10^{18}$

c)

$6.25\times10^{20}$

d)

$1.6\times10^{19}$

3.

In nature, the amount of electric charge, possessed by an isolated system is always ___________.

a)

zero

b)

equal to multiple of the square root of fundamental charge

c)

equal to an integer multiple of fundamental charge

d)

equal to multiple of square of fundamental charge

4.

Quark composition of proton is ________.

a)

uuu

b)

uud

c)

udd

d)

ddd

5.

Which of the following is a unit of electric field intensity?

a)

$N^{-1}C$

b)

$NC$

c)

$\frac{N}{C}$

d)

$N^{-1}C^{-1}$

6.

A moving charge particle produces ________.

a)

electric field

b)

magnetic field

c)

both electric & magnetic field

d)

none

7.

The electric force on an electron, in an electric field is ________.

a)

in the direction of the electric field

b)

zero

c)

in the direction, opposite to the electric field

d)

perpendicular to the electric field

8.

The relation between electric field & electric potential is _______. (where l= length of conductor)

a)

$E=V\ l$

b)

$V=E\ l$

c)

$E=\frac{l}{V}$

d)

$V=\sqrt{E\ l}$

9.

The graph between the potential difference (V) applied across a conductor to the current (I) flowing through it is a _______.

a)

straight line

b)

exponential decay

c)

perpendicular to x-axis

d)

perpendicular to y-axis

10.

The physical movement of charge is possible in ________.

a)

conductors

b)

insulators

c)

both conductors & insulators

d)

none

Current Electricity - (pre-test)

Total questions: 10

Worksheet time: 6mins

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