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Electronics - Inductors

Exercise : Inductors - General Questions
31.
When a transformer secondary lead has been connected to a middle loop that is not an end connector, it is called a:
multiple-tapped secondary
center-tapped secondary
multiple winding secondary
single winding secondary
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
A 24 V peak source is connected across a 900 mu.gifH inductor. If the frequency of the source is 22 kHz, what is the reactive power?
2.3 VAR
4.6 VAR
9.3 VAR
0 VAR
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
What is the permeability of machine steel?
1.1 x 10−4
5.65 x 10−4
6.9 x 10−3
8.8 x 10−3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
What will happen when an inductor's magnetic field collapses?
Current will double.
Voltage will be induced.
A new field will expand.
Counter emf will be high.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
With a square wave input, an RL differentiator circuit with an output across the inductor will produce what type of waveform?
dc
short time-duration pulses
exponential-shaped pulses
only a phase shift
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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