Inductors electronic interview question

6.

The total inductive reactance is ___ in the given circuit.

A.     3.5 komega.gif
B.     4.4 komega.gif
C.     16.3 komega.gif
D.     23.3 komega.gif
Answer & Explanation

Answer: Option D

Explanation:

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7.

The inductance value of L3 in the given figure is _____ if the total inductance is 340 mH.

A.     150 mH
B.     220 mH
C.     295 mH
D.     315 mH
Answer & Explanation

Answer: Option A

Explanation:

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8.

When current flow tries to decrease in an inductor, the magnetic field _______________ and the voltage polarity across the inductor _______________.
A.     collapses, remains the same
B.     expands, reverses
C.     collapses, reverses
D.     expands, remains the same
Answer & Explanation

Answer: Option C

Explanation:

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9.

Electromagnetic induction is the generation of _________ from __________.
A.     magnetism, electricity
B.     electricity, electricity
C.     electricity, magnetism
D.     magnetism, magnetism
Answer & Explanation

Answer: Option C

Explanation:

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10.

Inductive ___ represents the opposition to an alternating current.
A.     impedance    B.     resistance
C.     reluctance    D.     reactance
Answer & Explanation

Answer: Option D

Explanation:

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