Inductors electronic interview question

36.

How long until the current is at a maximum?

mcq8_1032_1.gif
A.     0 mu.jpgs
B.     5 mu.jpgs
C.     15 mu.jpgs
D.     25 mu.jpgs
Answer & Explanation

Answer: Option B

Explanation:

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37.

Find VR and VL.

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A.     VR = 41.6 V, VL = 78.4 V
B.     VR = 48 V, VL = 110 V
C.     VR = 56 V, VL = 106 V
D.     VR = 60 V, VL = 60 V
Answer & Explanation

Answer: Option C

Explanation:

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38.

If 360 Vac is the output of a 300-turn secondary winding, what is the input voltage when the primary winding has 150 turns?
A.     2.4 Vac
B.     150 Vac
C.     180 Vac
D.     720 Vac
Answer & Explanation

Answer: Option C

Explanation:

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39.

When a magnet enters a coil and a voltage is induced, the process is known as:
A.     an alternation
B.     self-inductance
C.     counter emf
D.     flux linkage
Answer & Explanation

Answer: Option D

Explanation:

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40.

What term is used to describe the action of magnetic flux from one circuit that cuts across the conductors of another circuit?
A.     self-inductance
B.     rectification
C.     mutual inductance
D.     magnetism
Answer & Explanation

Answer: Option C

Explanation:

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41.

Reactance in an inductive circuit will:
A.     increase with frequency
B.     decrease with frequency
C.     be independent from frequency
D.     depend on the value of XC
Answer & Explanation

Answer: Option A

Explanation:

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42.

A turns ratio of 5 for a transformer implies:
A.     more primary turns than secondary turns
B.     more secondary current than primary current
C.     larger source impedance than load impedance
D.     more secondary turns than primary turns
Answer & Explanation

Answer: Option D

Explanation:

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