Electronics - Inductors

Exercise :: Inductors - Filling the Blanks

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: 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: 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: 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: 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: Option D

Explanation:

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