Electricity

Question 1

Unit that measures the resistance of an electric current

Answer 1

Ohm

Question 2

Flow of electricity along a conductor

Answer 2

Electric current

Question 3

Apparatus that changes alternating current to direct current

Answer 3

Rectifier

Question 4

Apparatus that changes direct current to alternating current

Answer 4

Converter

Question 5

Unit that measures how much electic energy is being used in one second

Answer 5

Watt

Question 6

Unit that measures the flow of electrons forward through a conductor

Answer 6

Volt

Question 7

One thousandth of an ampere

Answer 7

Milliampere

Question 8

Distance between successive peaks of electromagnetic waves

Answer 8

Wavelength

Question 9

Switch that automatically interrupts or shuts off an electic current at the first indication of overload

Answer 9

Circuit breaker

Question 10

Any substance that conducts electricity

Answer 10

Conductor

Question 11

Unit that measures the strength of an electric current (the number of electrons flowing through a wire)

Answer 11

Amp

Question 12

Constant even flowing current that travels in one direction

Answer 12

Direct current

Question 13

A material that does not transmit electricity easily

Answer 13

Insulator (non conductor)

Question 14

Special device that prevents excessive current from passing through a circuit

Answer 14

Fuse

Question 15

The movement of particles around an atom that creates pure energy

Answer 15

Electricity

Question 16

Rapid and interrupted current flowing in one direction and then in the opposite direction changing 60 times per second

Answer 16

Alternating current

Question 17

1,000 watts

Answer 17

Kilowatt

Question 18

To complete an electrical circuit and carry the current safely away

Answer 18

Grounding

Question 19

The path of an electric current from the generating source through conductors and back to its original source

Answer 19

Complete electric current