Electric Fields

The electric field surrounding a positively charged object is

• Away from the charge
• Toward the charge

Tags

NGSS.HS-PS2-4

Electric charges are created ______.

• by gravitational forces.

• separately.

• between 2 oppositely charged objects.

• by neutrons.

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

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

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.

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Where can an electric field be found?

• below a force field

• in a gravitational field

• in the space surrounding a charged object

• outside of a magnetic field

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

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

• A

• B

• they are both positive

Tags

NGSS.HS-PS2-5

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

• A

• B

• they are both positive

Tags

NGSS.HS-PS3-5

NGSS.HS-PS2-5

A positive test charge of 4x10^-6 C is in an electric field that exerts a force of 1.5x10^-4 N on it. What is the magnitude of the electric field?

• 27.2 N/C

• 37.5 N/C

• 3.75 X 10^-3 N/C

• 72.7 N/C

Tags

NGSS.HS-PS2-4

What is the magnitude of the electric field at a position that is 2.1 m from a 2.4 X10^ -6 C POINT charge?

• 4897.9 N/C

• 4.9 x 10^2 N/C

• 10285.7 N/C

• 1.02 x 10^3 N/C

Tags

NGSS.HS-PS2-4

Electric Fields only Exist in fictional movies.

• True

• False

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5