Electrostatics Review

An electron is being pushed through an electric field with a potential difference of 10V.  How much work was done on the electron?

• 1.6x10^-19J
• 1.6x10^-18J
• 1.6x10^-20J
• 1.6x10^-17J

When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?

• they are removed from the rod
• they are added to the rod

Tags

NGSS.HS-PS3-5

What do you call the process of charging a conductor by bringing it near another charged object?

• induction
• polarization
• neutralization
• conduction

Tags

NGSS.HS-PS2-4

What direction are the electric field lines around a proton?

• towards the charge

• away from the charge

Tags

NGSS.HS-PS2-4

The law of conservation of charge states that...

• all atoms have more protons than electrons
• only protons can be rubbed off of an atom
• charge cannot be created or destroyed
• charge cannot be transferred 

assume a rubber rod is rubbed against a rabbit fur and gains 5 electrons.  which of the following is true?

• The fur lost 5 electrons
• the fur gained 5 electrons
• the fur gained 5 protons
• The fur lost 2 electrons

Tags

NGSS.MS-PS2-3

Which of the following labeled points is in the region with the strongest force of electric charge

• A
• B
• C
• D

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Two like charges

•  neutralize each other.
• repel each other. 
• must be neutrons. 
• attract each other.

Tags

NGSS.HS-PS2-4

What direction are the electric field lines around an electron?

• towards the charge
• away from the charge

Tags

NGSS.HS-PS2-4

What does it mean when the electric field lines are close together?

• the field is positive
• the field is negative
• The field is strong
• the field is weak