6.1 Principles Of Electricity Flashcards Preview

Chp. 6 Electricity And Electrical Equipment > 6.1 Principles Of Electricity > Flashcards

Flashcards in 6.1 Principles Of Electricity Deck (17)
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1

The electric current in which electrons move at an even rate and flow only in one direction is called a

Direct current

2

A rapid oscillating cycle that alternates back and forth allowing electrons to flow first in one direction and then in the other is an

Alternating current

3

Which of the following measurements is a unit of electric strength

Amp

4

A volt is a unit of electric

Pressure

5

A unit of electrical resistance is called

Ohm

6

When electrical appliances are not in use, all of the following precautions should be taken a EXCEPT:

Submerge the appliance in water

7

Of the following units, which measures how much electrical energy is being used

Watt

8

T or F: materials that best transport electricity are called conductors

True

9

T or F: materials that DO NOT allow a current to pass through them are called prisms

False

10

T or F: the unit of electric strength is called an amp

True

11

The two forms of electrical current are

AC and DC

12

A reusable safety device that breaks the flow of current when an overload occurs is a

Circuit breaker

13

A shock that passes through a small part of the body is

Local shock

14

____ is a form of energy that produces light, heat, magnetic and chemical changes

Electricity

15

________ is the movement of electricity along a path called a conductor

Electric current

16

____ is the technical name of any electrically powered appliance

Load

17

_____ is a material that allows electricity to flow through it easily

Conductor