Inductors - General Questions (8)

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Inductors - General Questions

57.

How long until the current is at a maximum?

mcq8_1032_1

A.	0 s
B.	5s
C.	15 s
D.	25 s

Answer: Option B

Explanation:

No answer description available for this question

58.

With a square wave input, an RL differentiator circuit with an output across the inductor will produce what type of waveform?

A.	dc
B.	short time-duration pulses
C.	exponential-shaped pulses
D.	only a phase shift

Answer: Option B

Explanation:

No answer description available for this question

59.

What will happen when an inductor's magnetic field collapses?

A.	Current will double.
B.	Voltage will be induced.
C.	A new field will expand.
D.	Counter emf will be high.

Answer: Option B

Explanation:

No answer description available for this question.

60.

What is the permeability of machine steel?

A.	1.1 x 10âˆ’4
B.	5.65 x 10âˆ’4
C.	6.9 x 10âˆ’3
D.	8.8 x 10âˆ’3

Answer: Option B

Explanation:

No answer description available for this question

61.

A 24 V peak source is connected across a 900 mu (2)3 H inductor. If the frequency of the source is 22 kHz, what is the reactive power?

A.	2.3 VAR
B.	4.6 VAR
C.	9.3 VAR
D.	0 VAR

Answer: Option A

Explanation:

No answer description available for this question

62.

When a transformer secondary lead has been connected to a middle loop that is not an end connector, it is called a:

A.	multiple-tapped secondary
B.	center-tapped secondary
C.	multiple winding secondary
D.	single winding secondary

Answer: Option B

Explanation:

No answer description available for this question

63.

mcq11_1006_1 (1)

If the switch is moved to position 1 in the given circuit, how long will it take for the current to reach its maximum value?

A.	72.5 s
B.	532 s
C.	610 s
D.	833s

Answer: Option B

Explanation:

No answer description available for this question.

64.

During a current change, the ability of a conductor to produce counter emf within itself is called:

A.	back emf
B.	self-induction
C.	a henry
D.	impedance

Answer: Option B

Explanation:

No answer description available for this question

Inductors - General Questions (8)

Inductors - General Questions

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