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Technician Class > Electrical Principles > Flashcards

Electrical Principles Flashcards

1
Q

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

A

Voltage

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2
Q

What is the unit of electromotive force? (T5A11)

A

The volt

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3
Q

How much voltage does a mobile transceiver typically require? (T5A06)

A

About 12 volts

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4
Q

What is the name for the flow of electrons in an electric circuit? (T5A03)

A

Current

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5
Q

Electrical current is measured in which of the following units? (T5A01)

A

Amperes

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6
Q

What is the name for a current that flows only in one direction (T5A04)

A

Direct current

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7
Q

What is the name for a current that reverses direction on a regular basis? (T5A09)

A

Alternating current

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8
Q

What term describes the number of times per second that an alternating current makes a complete cycle? (T5C05)

A

Hertz

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9
Q

Which of the following is a good electrical conductor? (T5A07)

A

Copper

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10
Q

Which of the following is a good electrical insulator? (T5A08)

A

Glass

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Technician Class (37 decks)

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