ASVAB-SECTION-5 Online Practice Questions and Answers

Impedance is represented by the symbol __________.

A. XL

B. R

C. XC

D. Z

Voltage is also known as ___________.

A. electrical potential

B. current charge

C. shock factor

D. electronic strength

Given the electrical circuit in the image provided, what is the current in resistor R1?

A. 0.5 amperes

B. 7.66666666661 amperes

C. 0.25 amperes

D. 0.16666666667 amperes

What is the reading on the kilowatt-hour meter shown below?

A. 9282

B. 2828

C. 8282

D. 9292

Changing alternating current to direct current is called __________.

A. capacitance

B. impedance

C. rectification

D. induction

To produce greater storage of electrons and more capacitance, capacitors should __________.

A. be connected in parallel

B. be connected in series

C. have more voltage applied to them

D. be eliminated

A light bulb is 60 watts.

Operated at 120 volts, how much current does it draw?

A. 0.5 ampere

B. 5.0 amperes

C. 50.0 amperes

D. 7.200 amperes

A number-12 wire, compared to a number-6 wire __________.

A. is longer

B. is shorter

C. is smaller in diameter

D. is larger in diameter

The klystron is used in __________.

A. low-frequency transmitters

B. radar units

C. audio frequency amplifiers

D. frequency detectors

The Greek letter phi () is used to __________.

A. indicate ohms

B. indicate angles or phases

C. indicate volts

D. indicate dielectric flux