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Electrician basic > Electrician-basic > Flashcards

Electrician-basic Flashcards

1
Q

What is the correct unit of measure for CURRENT?

A

Amps

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2
Q

What is the opposition to current called?

A

Resistance

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3
Q

A nucleus of an atom contains what type of charge?

A

Positive charge

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4
Q

What is the uniform movement of electrons in a specific direction known as?

A

Current flow

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5
Q

How many electrons in a valence ring is considered a good conductor?

A

Atoms with 1 or 2 electrons in their valence ring is considered a good conductor.

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6
Q

Increase in voltage in a circuit will cause current to do what?

A

Increase.

Increase voltage = increase current

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7
Q

A battery produces direct current by converting ____ energy to ____ energy.

A

A battery produces direct current by converting Chemical energy to Electrical energy.

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8
Q

What is another name for a secondary cell battery?

A

Accumulators

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9
Q

Conductors must be moved in what direction to produce electricity in a DC generator?

A

Perpendicular

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10
Q

TRUE or FALSE?

DC is a constant output that does NOT vary with respect to time?

A

TRUE.

DC is a constant output which doesn’t vary with time.

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11
Q

What type of test equipment is utilized to measure AC in a sine wave format?

A

Oscilloscope

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12
Q

What term is used when the amount of voltage reaches the maximum positive position on a sine wave?

A

Peak Value

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13
Q

Effective value is also known as what?

A

RMS

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14
Q

How long does it take to complete one continuous sine wave?

A

It takes one second to complete.

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15
Q

What principle does an AC generator use to generate current?

A

Electromagnetism

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16
Q

When a conductor is formed into a coil, it becomes what electrical term?

A

Inductor

17
Q

What letter symbol is used for the term Inductance?

A

“L”

18
Q

How many stages does a capacitor perform?

A 
Four.
1-charging
2-charged
3-discharging
4-discharged
19
Q

What unit of measurement is used for capacitance?

A

Farad

20
Q

Capacitive reactance is measured in what unit?

A

Ohms

21
Q

What is defined as the total opposition to flow in an AC circuit?

A

Impedance

22
Q

TRUE or FALSE:

Apparent power is the VOLTAGE x CURRENT in any circuit?

A

True

23
Q

Which type of electrical equipment is used for overcurrent protection?

A

Circuit Breaker or fuses

Electrician basic (1 decks)

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