Electrostatics

Two like charges will ...

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

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

• positive
• negative

Tags

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

According to Coulomb's law, you can do all of the following to increase the electric force of repulsion EXCEPT

• Increase charge 1
• Increase charge 2
• Decrease the distance
• Increase the distance

Tags

NGSS.HS-PS2-4

A positive charge and a negative charge held near each other are released. As they move, the force on each particle ...

• increases. 
• stays the same. 
• decreases.

What are the units of electric potential?

• volts (V) or joules/coulomb (J/C)

• joules (J)

• newtons (N)

• meters (m)

Where is the electric field stronger?

• A

• B

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

When the distance between two charges is halved, the electrical force between the charges

• quadruples

• reduces to one fourth

• halves

• doubles

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

The charge of an electron is

• positive

• negative

• neutral

The SI unit of charge is _______ and it is a _______ quantity.

• ampere, scalar

• coulomb, vector

• coulomb, scalar

• joule, vector