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Ham Radio Technician Test > Electrical Principles - T5A > Flashcards

Electrical Principles - T5A Flashcards

1
Q

Electrical current is measured in which of the following units?

A

Amperes

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2
Q

Electrical power is measured in which of the following units?

A

Watts

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3
Q

What is the name for the flow of electrons in an electric circuit?

A

Current

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4
Q

What is the name for a current that flows only in one direction?

A

Direct current

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5
Q

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

A

Voltage

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6
Q

How much voltage does a mobile transceiver usually require?

A

About 12 volts

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7
Q

Which of the following is a good electrical conductor?

A

Copper

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8
Q

Which of the following is a good electrical insulator?

A

Glass

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9
Q

What is the name for a current that reverses direction on a regular basis?

A

Alternating current

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10
Q

Which term describes the rate at which electrical energy is used?

A

Power

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11
Q

What is the basic unit of electromotive force?

A

The volt

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Ham Radio Technician Test (18 decks)

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