20) A substance that has low retentiveness can be used for manufacturing of :
Answer is:
electromagnets
Related Magnetism MCQ - Electrician (Set-1) with Answers
Answer is:
Magnetic effect
Answer is:
ampere turns/weber
Explanation:
Reluctance is magnetomotive force per unit flux,
So unit of reluctance = unit of MMF / unit of magnetic flux = A/Wb. = Ampere turns / Weber
Answer is:
reluctance
Answer is: