Electric Force, Fields and Circuits

A particle enters the space between two charged plates. As the negative charge passes it will

• move towards the negative plate

• move towards the positive plate

• continue in a straight line

• stop

With orange lines representing the electric field, what is the sign of the following charge?

• positive

• negative

• neutral

The electric force between two charges if one of the charges gets quadrupled will ________ .

• decrease by 4x

• decrease by 16x

• increase by 4x

• increase b 16x

Which diagram best represents the charge distribution on the balloon and wall?

• A

• B

• C

• D

If an electron was placed on point C, it will move

• up

• down

• right

• not move

If two charges that are 1m apart get separated to 3m apart, then the electric force will...

• decrease by 3x

• decrease by 9x

• increase by 3x

• increase by 9x

Ohm's Law is equal to...

• $V=\ \frac{I}{R}$
  

• $V=\frac{1}{R}$
  

• $V=IR$

• $V=I^2R$

What is the total resistance in this series circuit?

• 350 ohms

• 550 ohms

• 500 ohms

• 450 ohm

Which resistor has the most current going through it?

• 100Ω

• 50Ω

• 300Ω

• all the same

What is the total current of the circuit, if the total resistance is 9Ω?

• 2A

• 1A

• 0.33 A

• 3A