Free Printable ELECTRIC CHARGES AND FIELDS

Worksheets

ELECTRIC CHARGES AND FIELDS

Total questions: 10

Worksheet time: 9mins

Name

Class

Date

1. Two charges 3x $10^{-5}$ C and 5x $10^4$ C are placed at a distance 10 cm from each other. Find the value of electrostatic force acting between them.

$13.5\times10^{11}$ N

$40\ \times\ 10^{11^{ }}$

$180\times10^9$

$13.5\times10^{10}$

What is the S. I. unit of electric flux?

$\frac{N}{C}m^2$

$\frac{N}{m^2}C^2$

$N\ m^2$

$\frac{N}{m^2}C^{ }$

A glass rod acquires charge by rubbing it with silk cloth. The charge on glass rod is due to :

Conduction

Induction

Radiation

Friction

What will be the value of electric field at the centre of the electric dipole : -

Zero

Equal to the electric field due to one charge at centre

Twice the electric field due to one charge at centre

half the value of electric field due to one charge at centre

Charge Q is kept in a sphere of 5 cm first than it is kept in a cube of side 5 cm. the outgoing flux will be-

More in case of cube

Same in both cases

None of the above

A pith ball has an electric charge +2q, and it feels a force F when placed a distance d from a second pith ball with an electric charge -q. When the second pith ball is charged to -3q, the force on the pith ball is ---.

A pith ball has an electric charge +q, and it feels a force F when placed a distance d from a second pith ball with an electric charge +q. When the second pith ball is moved to a distance 2d, the force on the pith ball is ---.

1/2 F

1/4 F

At which point is the electric field the weakest?

A because it is the furthest away

A because the field lines are further apart

C because the field lines are further apart

C because it is the furthest away

Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.

+,+

+,-

-,+

-,-

10.

Electric field lines contracts lengthwise, It shows

repulsion between same charges

Attraction between apposite charges

No relation between force & contraction.

Electric field lines does not moves on straight path.

100 %

ELECTRIC CHARGES AND FIELDS

Total questions: 10

Worksheet time: 9mins

Similar Resources on Wayground