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A ____ rectifier produces the greatest amount of ripple.


A) half-wave, multi-phase
B) full-wave, multi-phase
C) half-wave, single-phase
D) full-wave, single phase

E) All of the above
F) B) and D)

Correct Answer

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The output voltage of a full-wave (or any other) rectifier is called the ____.


A) median value
B) average value
C) lateral value
D) limiting value

E) A) and D)
F) A) and C)

Correct Answer

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Regardless of the type of rectifier used, DC voltage pulsates.

A) True
B) False

Correct Answer

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A(n) ____ is used to filter voltage.


A) filter
B) capacitor
C) inductor
D) rectifier

E) C) and D)
F) All of the above

Correct Answer

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A discharged capacitor looks like a short circuit to ground when power is first applied to it.

A) True
B) False

Correct Answer

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True

An isolation transformer has its primary and secondary winding physically and electrically connected  to each other.

A) True
B) False

Correct Answer

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False

The ____ does for current what the capacitor does for voltage.


A) block coil
B) shunt coil
C) phase coil
D) choke coil

E) A) and B)
F) B) and D)

Correct Answer

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An inductor or ____ is used to filter the current.


A) choke
B) sink
C) capacitor
D) transformer

E) A) and B)
F) A) and C)

Correct Answer

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If the power supply must furnish several amps, only a few microfarads of capacitance will be needed.

A) True
B) False

Correct Answer

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A voltage surge is defined as a dramatic increase in voltage lasting up to 50 microseconds

A) True
B) False

Correct Answer

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True

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