Electricity and Magnetism

The negatively charged particle in an atom is a(n):

• Electron

• Proton

• Neutron

• Oligtron

Positive electric charges

• attract both positive charges and negative charges.

• repel both positive charges and negative charges.

• attract positive charges and repel negative charges

• repel positive charges and attract negative charges.

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The motion of electrons is called

• power

• induction

• current

• amps

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A circuit with an open switch has it's switch in the ________ position

• On

• Off

A device that protects a circuit by from having too much current is called a

• switch

• short

• fuse or breaker

• resistor

Voltage is

• the potential electrical energy or push that makes electrons flow

• causes a short circuit with electrical energy

• is the term used for rate of charge flow

• Wastes energy by allowing current to flow

Materials that do not allow electrons to move are called

• conductors

• insulators

• Ohmmeters

• Voltmeters

the relationship between voltage, current, and resistance is called __________ Law

• Newton's

• Murphys

• Ohm's

• Faraday's

When you rub a balloon on your head ...

• electrons are given by your hair to the ballon

• electrons are given by the balloon to your hair

• Protons are given by your hair to the ballon

• Protons are given by the balloon to your hair

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A laptop is plugged into a 120 V outlet and uses 60 ohm's of resistance. How much current is running though it?

• 120 Amps

• 60 Amps

• 2 Amps

• 20 Amps