Principles, Circuits And Protection Devives

Question 1

Ohms Law

Answer 1

1 volt is required to move 1 amp through 1ohm of resistance

Question 2

If voltage is held constant in a circuit

Answer 2

Amperage increases if resistance decreases

Amperage decreases if resistance increases

Question 3

If resistance is held constant in a circuit

Answer 3

Amperage increase if voltage increases

Amperage decreases if voltage decreases

Question 4

If amperage is to remain the same in a circuit

Answer 4

Voltage must increase if resistance increases.

Voltage decreases if resistance decreases

Question 5

Alternating current

Answer 5

Current flow that continuously changes direction and polarity.

Question 6

Amperage

Answer 6

Current flow

Quantity of electrons

Question 7

Conductor

Answer 7

Material that easily allows electricity to flow through it.

Question 8

Direct current

Answer 8

Movement of current that flows in one direction.

Question 9

Electrical resistance

Answer 9

Reduces voltage and amperage in a circuit

Question 10

Conventional theory

Answer 10

Positive to negative current flow

Question 11

Electron theory

Answer 11

Negative to positive current flow

Question 12

Hertz (Hz)

Answer 12

Electrical frequency measurement, cycles per second.

Question 13

Insulator

Answer 13

A material that holds electrons tightly, prevents electron movement.

Ex: wire insulator, shrink tube

Question 14

Inverter

Answer 14

A device that changes DC into AC.

Question 15

Load

Answer 15

A device in an electrical circuit with resistance.

Question 16

MOSFET

Answer 16

A field effect transistor made with metal-oxide.

Question 17

N-Type material

Answer 17

Semiconductor material, holds small amount of extra electrons.

Question 18

Polarity

Answer 18

The state of charge, positive or negative.

Question 19

P-Type material

Answer 19

Semiconductor material, electron deficiency. Can hold additional electrons.

Question 20

Resistor

Answer 20

A component designed to produce electrical resistance.

Need resistance for current flow.

Question 21

Semiconductor

Answer 21

Has properties of both conductors and insulators.

Can switch back and forth between each state.

Question 22

Semiconductor

Answer 22

Has properties of both conductors and insulators.

Can switch back and forth between each state.

Question 23

Sin wave

Answer 23

AC wave form. Constantly changing from positive to negative.

As seen on a graph, function of time.

Question 24

Voltage

Answer 24

Electrical pressure

Think of a compressor, when filling a tire with air.

Question 25

Circuit breaker

Answer 25

Circuit protection device. Will open preventing excessive current flow.

Resettable.

Question 26

Field effect transistor

Answer 26

a type of transistor that uses an electric field to control the flow of current in a semiconductor.

Question 27

Type 1 circuit breaker

Answer 27

Automatically resets

Question 28

Type 2 circuit breaker

Answer 28

Non cycling circuit breaker

Question 29

Type 3 circuit breaker

Answer 29

Manual reset