Electronic components and circuit diagrams

Question 1

What electrical component opposes the flow of current in a DC circuit? (T6A01)

Answer 1

Resistor

Question 2

What type of component is often used as an adjustable volume control? (T6A02)

Answer 2

Potentiometer

Question 3

What electrical parameter is controlled by a potentiometer? (T6A03)

Answer 3

Resistance

Question 4

What type of electrical component consists of two or more conductive surfaces separated by an insulator? (T6A05)

Answer 4

Capacitor

Question 5

What electrical component stores energy in an electrical field? (T6A04)

Answer 5

Capacitor

Question 6

What is the ability to store energy in an electric field called? (T5C01)

Answer 6

Capacitance

Question 7

What is the basic unit of capacitance? (T5C02)

Answer 7

The farad

Question 8

What electrical component usually is constructed as a coil of wire? (T6A07)

Answer 8

Inductor

Question 9

What type of electrical component stores energy in a magnetic field? (T6A06)

Answer 9

Inductor

Question 10

What is the ability to store energy in a magnetic field called? (T5C03)

Answer 10

Inductance

Question 11

What is the basic unit of inductance? (T5C04)

Answer 11

The henry

Question 12

Which of the following battery types is not rechargeable? (T6A11)

Answer 12

Carbon-zinc

Question 13

Which of the following battery types is rechargeable? (T6A10)

Answer 13

Nickel-metal hydride, Lithium-ion, Lead-acid gel-cell

Question 14

What electrical component is used to connect or disconnect electrical circuits? (T6A08)

Answer 14

Switch

Question 15

What electrical component is used to protect other circuit components from current overloads? (T6A09)

Answer 15

Fuse