Electricity and Magnetism Study Guide

A material in which electrons are able to move easily

• Circuit
• Insulator 
• Resistance 
• Conductor 

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A material in which electrons are NOT able to move easily 

• Circuit 
• Insulator 
• Resistance 
• Conductor

The flow/movement of electric charges 

• Voltage
• Resistance 
• Current 
• Circuit 

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This is related to the "push" that causes electric charges to flow

• Voltage 
• Current
• Resistance
• Circuit 

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A closed path that electric current follows 

• Voltage
• Current
• Resistance 
• Circuit

The current has only has one path to flow through in this type of circuit. 

• Series Circuit 
• Parallel Circuit 

This type of circuit contains two or more branches for current to move through. 

• Series Circuit 
• Parallel Circuit 

The current in a hair dryer measures 15.0 amps. The resistance of the dryer is 8 ohms.  At what voltage does this dryer operate? 
V = IR         P = IV

• 1.875 V
• 110 V
• 115 V
• 120 V

The force a magnet exerts on another magnet, on iron or a similar metal, or on moving charges is

• an electric force.
• a magnetic force.
• proportional to the charge of the object.
• proportional to the size of the magnet.

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If you cut a bar magnet in half, each half

• becomes unmagnetized.
• becomes a bar magnet with two poles.
• contains one magnetic pole.
• is only temporarily magnetized.