IB2 Electric Field Review

The electric field inside a spherical shell of uniform surface charge density is

• Constant, less than zero

• Directly proportional to the distance from the centre

• zero

• None of the above

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Figure shows the electric lines of force emerging from a charged body. If the electric field at A and B are E_A and E_B respectively and if the displacement between A and B is r then

• E_A > E_B

• E_{A <} E_B

• E_{A =} E_{B / r}

• E_{A =} E_{B / r}²

Tags

NGSS.HS-PS2-4

At which point is the electric field the strongest

• A
• B
• C
• D

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

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

NGSS.HS-PS3-5

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

The electric field surrounding a positively charged object is

• Away from the charge
• Toward the charge

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-PS3-5

A conducting sphere has a charge +Q and a radius R. Which graph below describes the electric field as a function of distance r from the center of the sphere?

• 
• 
• 
• 
• 

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5