Electrical Systems 1

Question 1

A(n) __ electrical circuit provides a path for current to flow between the positive and negative terminals of a power supply.

Answer 1

Closed

Question 2

__ is the amount of force exerted to move electrons

Answer 2

voltage

Question 3

A solenoid is an output device that moves in a(n) __ motion when current is applied.

Answer 3

Linear

Question 4

A(n) __ diagram uses symbols to represent electrical devices and how they are connected.

Answer 4

Schematic

Question 5

Which of the following is not a component of a basic electrical circuit?

Answer 5

Insulator

Question 6

__ current flows in only one direction

Answer 6

Direct

Question 7

__ current is more efficient to transport over long distances

Answer 7

Alternating

Question 8

__ is the rate of flow of electrons

Answer 8

Current

Question 9

A pushbutton switch with a return spring is called a(n) __ switch

Answer 9

Momentary

Question 10

A(n) __ switch uses rotary motion to open and close contacts

Answer 10

Selector

Question 11

What is defined as the resistance to electron flow?

Answer 11

Load resistance - the loads are where most of the electrical power is converted to other forms of power.

Question 12

What is defined as the amount of force required to move electrons through the conductor?

Answer 12

Voltage - electrical resistance is defined as the resistance to electron flow.

Question 13

Electricity that flows through a motor is converted into __.

Answer 13

Rotating mechanical energy - electricity is often converted into other forms of energy to do useful work. One example is powering an electric motor. The electricity that flows through the motor is converted into rotating mechanical energy

Question 14

In a(n) __ circuit all inputs must be closed for electricity to flow.

Answer 14

Series

Question 15

__ is the rate of flow of electrons through a conductor

Answer 15

current

Question 16

__ is the function of a power supply that provides either a constant voltage or constant current

Answer 16

regulation

Question 17

A(n) __ switch uses a lever operator that conducts current between one or more sets of contacts.

Answer 17

knife

Question 18

The __ theory of current flow states that current flows from the positive terminal of the power supply to the negative terminal.

Answer 18

conventional

Question 19

A(n) __ is a simple method for opening and closing an electrical circuit

Answer 19

switch

Question 20

Alternating current pushes electrons in one direction for a time and then pushes them in the opposite direction in __.

Answer 20

cycles

Question 21

A pushbutton switch consists of a(a) __ and one more set of contacts.

Answer 21

operator

Question 22

A switch activated by a machine or device is described as

Answer 22

automatic

Question 23

Electrons are small, particles that exist in all atoms and have a(n) __ charge

Answer 23

negative

Question 24

The four basic components of an electrical circuit are a power supply, an input device, output device, and a(n)

Answer 24

conductor