Electric Fields Quiz

The strength of the electric field 4 cm away from a negative charge is 800 N/C. What is the strength of the electric field 1 cm away from the charge?

• 50 N/C

• 200 N/C

• 3.2 x 10^3 N/C

• 12.8 x 10^3 N/C

Tags

NGSS.HS-PS2-4

At which point is the electric field the strongest

• A
• B
• C
• D

Tags

NGSS.HS-PS2-4

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

• +,+
• +,-
• -,+
• -,-

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Which of the following is a true statement about the electric field between the two plates?

• The field is attractive between the plates and uniform in strength

• The field is repulsive between the plates and uniform in strength

• The field is attractive between the plates and strongest near the positive

• The field is repulsive between the plates and strongest near the positive

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

The force acting on a charge of 20 μC is 4 N. Determine the field strength at this point.

• 200 000 N/C

• 100 000 N/C

• 50 000 N/C

• 150 000 N/C

• 180 000 N/C

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Removing a static charge by providing a path to the ground is called __.

• electric transfer
• grounding
• switching
• seperation

A neutral metal sphere is touched by a negatively charged metal rod. As a result, the sphere will be ____ and the metal rod will be ____.

• positive, negative

• positive, positive

• negative, positive

• negative, negative

• neutral, positive

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

What happens to the force between two charged objects if you double the distance between them and double the magnitude of one charge?

• 4X
• 6X
• 1/2X
• 1/6X

Tags

NGSS.HS-PS2-4

The diagram below shows equipotential lines produced by an unknown charge distribution. A, B, C, D, and E are points in the plane. At which point does the electric field have the greatest magnitude?

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS2-4

The diagram below shows equipotential lines produced by an unknown charge distribution. A, B, C, D, and E are points in the plane. Which vector below best describes the direction of the electric field at point A ?

• 
• 
• 
• 
• None of these, the field is zero

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5