Electric Fields Practice

In the diagram below, P is a point near a negatively charged sphere. Which direction best represents the direction of the electric field at point P?

• Right
• Left
• Up 
• Down

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

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

What is the magnitude of the electric field intensity at a point where a proton experiences an electrostatic force of magnitude 2.30 x 10^-25 newton?

• 1.44 x 10^-6 N/C
• 3.68 x 10⁶ N/C
• 1.44 x 10⁴⁴ N/C
• 3.68 x 10^-44 N/C

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

The electric field lines for a positive charge is always directed away from the charge. True or False?

• True

• False

Tags

NGSS.HS-PS2-4

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

• A

• B

• they are both positive

Tags

NGSS.HS-PS2-5

If I triple the value of charge of a test charge the electric field will

• Increase by 3 
• Increase by 9
• Not change
• Decrease by 9

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A region of influence surrounding an object is best defined as:

• An electric field
• A field
• A force
• A gravitational field

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

How do electric field lines represent the magnitude of an electric field?

• Length of the line
• With arrows
• Density of lines
• Width of lines

Tags

NGSS.HS-PS3-5