Basic Electrical Circuits & Capacitance

Question 1

Alternating current is one type of electrical current, what is the other type?

Answer 1

Direct current

Question 2

A simple method for opening or closing a circuit is to use a __________.

Answer 2

switch

Question 3

A knife switch consists of a lever and one or more sets of __________.

Answer 3

contacts

Question 4

The contacts of a(n) __________ switch are open until acted on by the operator.

Answer 4

Normally open

Question 5

Capacitance is measured in __________.

Answer 5

Farads

Question 6

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

Answer 6

Insulator

Question 7

Circuit breakers should be sized __________ times the max power load to factor for surges.

Answer 7

1.25

Question 8

The energy stored by a capacitor is called a(n) __________.

Answer 8

electrostatic charge

Question 9

Which of the following is an electrical output device?

Answer 9

All of the above

Question 10

Electricity is the flow of __________ in a conductor.
Protons

Answer 10

Electrons

Question 11

Constant voltage power supplies will maintain a constant voltage output under varying __________.

Answer 11

loads

Question 12

Which of the following is a type of capacitor?

Answer 12

Electrolytic
Nonpolarized
Variable
All of the above

Question 13

A(n) __________ determines if electricity is present in an electrical outlet.

Answer 13

circuit tester

Question 14

Which of the following is true of an electrical schematic diagram?

Answer 14

Represents components with standard symbols.
Shows how the components are interconnected.
Is helpful in troubleshooting a circuit.
All of the above

Question 15

Which of the following is a manually-operated switch?

Answer 15

All of the above