Free Printable Electric fields

Worksheets

Electric fields

Total questions: 17

Worksheet time: 13mins

Name

Class

Date

If two objects attract each other, which is NOT a possible explanation?

One must be negatively charged while the other is positively charged

One must be charged while the other is uncharged

They must have the same charge

the positively charged particle in an atom, never leaves the nucleus, determines the element

proton

neutron

electron

What types of charges attract?

Positive and Positive

Positive and Neutral

Negative and Neutral

Positive and Negative

An object becomes charged when the atoms in the object gain or lose

electrons

protons

neutrons

all of the above

Charging by ____ occurs when electrons are transferred from one object to another by direct contact.

reduction

induction

conduction

friction

What is the standard unit for charge?

Newtons (N)

Coulombs (C)

Electros (e)

Protos (P)

What does the "k" represent in Coulomb's Law?

charge

Coulomb's Constant

kilometers

distance between charges

What does the "r" represent in Coulomb's Law?

radius of the electron

distance between charges

radius of the proton

distance a charge will travel

If the distance doubles, what happens to the force?

Reduced by half

Reduced by 1/4

Stays the same

Quadruples

10.

Force between two bodies having charges 5.0 x 10² μC and 1.0 x 10² μC separated by distance of 0.50 m in air is

1800 N

1.0 x 10³ N

2200 N

3.0 x 10² N

11.

At which point is the electric field the strongest

12.

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

13.

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

+,+

+,-

-,+

-,-

14.

Q_Aand Q_Bare two charges creating an electric field. Based on the electric field lines, we can conclude

Q_Aand Q_Bare both positive

Q_Aand Q_Bare both negative

Q_Ais positive and Q_Bis negative

Q_Ais negative and Q_Bis positive

15.

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

16.

Which diagram correctly shows the electric field around a negative charge?

they are both positive

17.

Which diagram correctly shows the field lines between two like charges?

Both

Neither

Reset

Electric fields

Total questions: 17

Worksheet time: 13mins

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