electric field and capacitance

At which point is the electric field the strongest

• A
• B
• C
• D

Tags

NGSS.HS-PS2-4

At which point is the electric field the weakest?

• A because it is the furthest away
• A because the field lines are further apart
• C because the field lines are further apart
• C  because it is the furthest away

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

Q_A and Q_B are two charges creating an electric field. Based on the electric field lines, we can conclude

• Q_A and Q_B are both positive
• Q_A and Q_B are both negative
• Q_A is positive and Q_B is negative
• Q_A is negative and Q_B is positive

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 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 diagram represents the electric fields of a negative point charge, shown by º

• 
• 
• 
• 

Tags

NGSS.HS-PS2-4

Which diagram represents the electric field in the vicinity of a positive electric charge of magnitude Q?

• 
• 
• 
• 

The insulating layer of a cacitor is called the 

• plate
• conductors
• dielectric
• terminals

The amount of charge that a capacitor can accept is determined by 

• It's capacity C=Q/V
• the plate area
• the dielectric thickness
• all of the above