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Computer Programming MCQs — Test 59

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Question 1
An open coil has_____________?
Question 2
The direction of induced e.m.f. can be found by_____________?
Question 3
The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as__________?
Question 4
Air-core coils are practically free from______________?
Question 5
If current in a conductor increases then according to Lenz’s law self-induced voltage will____________?
Question 6
The law that the induced e.m.f. and current always oppose the cause producing them is due to____________?
Question 7
Mutually inductance between two magnetically-coupled coils depends on____________?
Question 8
Which of the following is not a unit of inductance ?
Question 9
The magnitude of the induced e.m.f. in a conductor depends on the______________?
Question 10
A laminated iron core has reduced eddy-current losses because____________?