Electric field and field lines

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.

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Electrical field lines of a negatively charged object flow _______________.

• Inwards

• Outwards

• Clockwise

• Counter-Clockwise

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

• Strong

• Weak

• Neutral

• None of the above.

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

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

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

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

• True

• False

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

• 
• 
• 
• 

Tags

NGSS.HS-PS2-4

Based on the arrangement of the electric field lines in the diagram, what are the charges?

• both charges are positive

• the charges are opposite

• both charges are negative

• cannot tell based on the figure

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-PS3-5