Electric fields

Which of the following statements is false about electric field lines

• electric field lines cannot cross
• electric field lines point away from positive charge
• electric field lines are always straight lines
• electric field lines show how a proton would move in an electric field

Tags

NGSS.HS-PS2-4

At which point is the electric field the strongest

• A
• B
• C
• D

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

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

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

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

• A

• B

• they are both positive

Tags

NGSS.HS-PS2-4

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

• A

• B

• Both

• Neither

Tags

NGSS.HS-PS2-4

The electric field surrounding a positively charged object is

• Away from the charge
• Toward the charge

Tags

NGSS.HS-PS2-4

Coulomb's law also says if distance increases, then force

• decreases

• disapears

• destroyed in a heartbeat

• doubles

Tags

NGSS.HS-PS2-4

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-PS3-5