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In a pure resistive circuit, the true power is equal to the product of the ____.


A) voltage and resistance
B) voltage and current
C) voltage and inductance
D) resistance and current

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

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The symbol used to represent a(n) ____________________ depicts a coil of wire.

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The symbol for an inductor shown without two parallel lines represents a(n) ____ inductor.


A) air core
B) transient
C) straight line
D) iron core

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

Correct Answer

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The current-limiting property of the inductor is called ____.


A) reactance
B) voltage
C) resistance
D) capacitance

E) C) and D)
F) B) and D)

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Reactance is symbolized by the letter ____.


A) R
B) L
C) X
D) Z

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

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Reactive power is often referred to as ____ power.


A) capacitance
B) inductance
C) wattless
D) impedance

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

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Inductive reactance can be computed when the values of inductance and frequency are known and is measured in ____.


A) watts
B) ohms
C) vectors
D) amperage

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

Correct Answer

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The symbol for an inductor shown with two parallel lines represents a(n) ____ inductor.


A) air core
B) transient
C) straight line
D) iron core

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

Correct Answer

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In a pure inductive circuit, the current lags the voltage by ____ degrees.


A) 270
B) 180
C) 90
D) 0

E) None of the above
F) All of the above

Correct Answer

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Although inductors have some amount of resistance, inductors that have a Q of ____ or greater are generally considered to be pure inductors.


A) 8
B) 10
C) 15
D) 20

E) None of the above
F) B) and D)

Correct Answer

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