Chapter 7 Vocab

Question 1

Ampere

Answer 1

Current is measured in amperes

Question 2

Conductor

Answer 2

A material in which electrons are able to move easily

Question 3

kWh

Answer 3

Measurement of electrical energy; Power*time

Question 4

Insulator

Answer 4

A material in which electrons are not able to move easily

Question 5

Ohm

Answer 5

Measure of resistance R is measured in ohms

Question 6

Ohm’s Law

Answer 6

The current circuit=the voltage difference/resistance

I=V/R

Question 7

Parallel circuit

Answer 7

More than one path for the electricity, contains two or more branches for current to move through

Question 8

Resistance

Answer 8

Measured in Ohms; R=V/I

Question 9

Series circuit

Answer 9

Current only has one loop to flow through; christmas lights

Question 10

Static electricity

Answer 10

The accumulation of excess electric charge on an object

Question 11

Volt

Answer 11

measured in volts (voltage); V=IR; V=P/I

Question 12

Circuit breaker

Answer 12

A device that prevents a circuit from overheating and causing a fire; contains piece of metal that bends when it gets too hot Reusable Fuses are one-time uses

Question 13

Electrical Power

Answer 13

The rate at which electrical energy is converted to another form of energy