Free Printable Electrostatics

Worksheets

Electrostatics

Total questions: 15

Worksheet time: 27mins

Name

Class

Date

During a physics lab, a plastic strip was rubbed with cotton and became positively charged. The correct explanation for why the plastic strip becomes positively charged is that ...

the plastic strip acquired extra protons from the cotton.

the plastic strip acquired extra protons from the charging process

protons were created as the result of the charging process

the plastic strip lost electrons to the cotton during the charging process

A negatively charged plastic comb is brought close to, but does not touch, your hair. If the comb and your hair are attracted to each other, the charge on your hair...

must be positive

must be negative

may be neutral or negative

may be neutral or positive

Electrostatic force F exists between two point charges.

If the magnitude of both charges are doubled, the force between the charges will be...

F/4

The closer the charges, the ___________ the force between them

closer

further

stronger

weaker

Calculate the magnitude of force exerted between two charged objects separated by a distance of 0.6 m. One object has a charge of -5 C and the other has a charge of +2.0 C.

1.5x10¹¹ N

9.0x10¹⁰N

2.5x10¹¹ N

7.5x10^-10 N

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

What does it mean when the electric field lines are close together?

the field is positive

the field is negative

The field is strong

the field is weak

Based on the arrangement of the electric field lines in the diagram, what are the charges?

both charges are the same

the charges are opposite

they are neutral; no charge

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.

Is work done on the positive charge to move it from point A to point B?

Yes

11.

Is work done on the positive charge to move it from point A to point B?

Yes

12.

The quantity electric potential is defined as the amount of _____.

electric potential energy

force acting upon a charge

potential energy per charge

force per charge

13.

Two plates are 2cm apart, and a potential difference of 10 V is applied between them.

What is the electric field intensity between the plates?

20 N/C

500 N/C

5 N/C

250 N/C

14.

A charge of 5 C experiences a force of 5000 N when it is kept in a uniform electric field between two plates.

What is the potential difference between the two plates if they are separated by a distance of 1cm?

10 V

250 V

1000 V

2500 V

15.

How many Rings of Power did Sauron distribute amongst the Mortal Men, who would later become the Ringwraiths?

Reset

Electrostatics

Total questions: 15

Worksheet time: 27mins

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