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Unit 3.2: Modeling Electric and Magnetic Fields - Part 4

Authored by Hà Phạm

Physics, Physical Ed, English

6th - 8th Grade

Used 1+ times

Unit 3.2: Modeling Electric and Magnetic Fields - Part 4
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30 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which statement accurately describes the charged particles in Diagram A?

The particles have opposite charges:

Blue: Negative Red: Positive

The particles repel one another.

The particles have like charges:

Blue: Negative Red: Negative

The particles attract one another.

The particles have opposite charges:

Blue: Positive Red: Negative

The particles attract one another.

The particles have like charges:

Blue: Positive Red: Positive

The particles attract one another.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a charged particles has very dense field lines, that means the particle has a ___________ charge.

Strong

Weak

Neutral

None of the above.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

+,+
+,-
-,+
-,-

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The electrical force between charges is strongest when the charges are

close together
far apart
 the electric force is constant everywhere.
there is no pattern

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which graph best represents the relationship between the strength of an electric field and distance from a point charge?

Media Image
Media Image
Media Image
Media Image

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which statement best describes the electric fields in the image?

The charges are neutral.

Both charges are negative, so the field lines are alike.

The field lines move toward a positive charge and away from a negative charge.

The field lines move away from a positive charge and toward a negative charge.

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