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Technician Class Exam Question Pool

effective 7/01/2014 thru 6/30/2018

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T5A-2014: Electrical principles, units, and terms: current and voltage; conductors and insulators; alternating and direct current

T5A01-2014: Electrical current is measured in which of the following units?

Amperes

Volts

Watts

Ohms



T5A02-2014: Electrical power is measured in which of the following units?

Watts

Volts

Ohms

Amperes



T5A03-2014: What is the name for the flow of electrons in an electric circuit?

Current

Voltage

Resistance

Capacitance



T5A04-2014: What is the name for a current that flows only in one direction?

Direct current

Alternating current

Normal current

Smooth current



T5A05-2014: What is the electrical term for the electromotive force (EMF) that causes electron flow?

Voltage

Ampere-hours

Capacitance

Inductance



T5A06-2014: How much voltage does a mobile transceiver usually require?

About 12 volts

About 30 volts

About 120 volts

About 240 volts



T5A07-2014: Which of the following is a good electrical conductor?

Copper

Glass

Wood

Rubber



T5A08-2014: Which of the following is a good electrical insulator?

Glass

Copper

Aluminum

Mercury



T5A09-2014: What is the name for a current that reverses direction on a regular basis?

Alternating current

Direct current

Circular current

Vertical current



T5A10-2014: Which term describes the rate at which electrical energy is used?

Power

Resistance

Current

Voltage



T5A11-2014: What is the basic unit of electromotive force?

The volt

The watt

The ampere

The ohm



T5A12-2014: What term describes the number of times per second that an alternating current reverses direction?

Frequency

Pulse rate

Speed

Wavelength





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