ASVAB Electronics Practice Test 2

Question 1

What is the frequency of Direct Current (DC)?

Accepted Answer

0 Hz

Answer

50 Hz

Answer

60 Hz

Answer

100 Hz

Question 2

What does the following image represent?

Accepted Answer

Ground

Answer

Inductor

Answer

Transistor

Answer

Diode

Question 3

An ideal fuse should have a:

Accepted Answer

Low melting point and a high current rating.

Answer

High melting point and a low current rating.

Answer

High melting point and a high current rating.

Answer

Low melting point and a low current rating.

Question 4

A fuse rated at 0.8 A blows when the switch is closed. If an 80 V supply is supplying power to the circuit, what would be the maximum possible value of the resistance for which the current flows through the circuit?

Accepted Answer

100 ohms

Answer

90 ohms

Answer

80 ohms

Answer

70 ohms

Question 5

A capacitor stores energy in the form of:

Accepted Answer

Electric Field

Answer

Magnetic Field

Answer

Both Electric and Magnetic Fields

Answer

Neither Electric nor Magnetic Field

Question 6

What is the basic operation of a step-up transformer?

Accepted Answer

Both options 1 and 2

Answer

It steps up the voltage.

Answer

It steps down the current.

Answer

It steps up the current.

Question 7

The generated force on a current carrying wire can be increased by

Accepted Answer

Increasing the amount of current flowing.

Answer

Decreasing the length of the wire.

Answer

Decreasing the strength of the magnetic field.

Answer

All of the above

Question 8

A capacitor is also known as:

Accepted Answer

Condenser

Answer

Inductor

Answer

Rectifier

Answer

Switch

Question 9

Four capacitors are connected in parallel, each having a capacitance of 4 farads. What will be the equivalent capacitance of these capacitors?

Accepted Answer

16 F

Answer

4 F

Answer

2 F

Answer

1 F

Question 10

The electrical symbol in the figure represents which of the following?

Accepted Answer

Galvanometer

Answer

Oscilloscope

Answer

Lamp (Lighting)

Answer

Ammeter