Basic Electrical Engineering Questions and Answers
Q1.
A substance whose permeability is less than the permeability of free space is?
Answer:
Diamagnetic
Q2.
Which among the following, is a correct expression for µ0.
Answer:
µ0=B/H
Q3.
Unit of MMF is ______________
Answer:
A
Q4.
What is the equivalent inductance when inductors are connected in series?
Answer:
Sum of all the individual inductances
Q5.
What is the coupling coefficient when there is ideal coupling?
Answer:
1
Q6.
What is the SI unit of coupling coefficient?
Answer:
No unit
Q7.
Practical application of mutual inductance is ____________
Answer:
Transformer
Q8.
At steady state, the current in the inductor is?
Answer:
Maximum
Q9.
When a ferromagnetic core is inserted into an inductor, what happens to the flux linkage?
Answer:
Increases
Q10.
What happens to the inductance when the magnetic field strength decreases?
Answer:
Decreases
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