Electrostatic Charges

A billion electrons are added to a body, its charge becomes

• 1.6 X 10^-19 C

• 1.6 X 10^-28 C

• -1.6 X 10^-10 C

• -1.6 X 10^-28 C

Two like charges

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

Tags

NGSS.HS-PS2-4

Two like charges

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

The charge of an electron is 

• positive. 
• negative. 
• Electrons have no charge

Tags

NGSS.HS-PS2-4

An atom loses an electron.  What type of charge does it have now?

• positive
• negative

Tags

NGSS.HS-PS1-2

An atom gains an electron.  What type of charge does it have now?

• positive
• negative
• No charge

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Charged objects are not attracted to neutral objects

• True
• False

Tags

NGSS.HS-PS2-4

When a balloon is rubbed on clothes it acquires a charge by ___________

• Induction
• reduction
• friction 
• concuction