Alnico is having higher retentivity of magnetism.
19) Which of the following materials have higher retentivity of magnetism ?
Answer is:
Alnico
Explanation:
Related Magnetism MCQ - Electrician (Set-1) with Answers
Answer is:
electromagnets
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: