Those materials are well suited for making permanent magnets which have _______

Question

Those materials are well suited for making permanent magnets which have ________ retentivity and ________ coercivity.

Options:

A . Low, high

B . High, high

C . High, low

D . Low, low

Answer: Option B

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Question 1. Laminated cores, in electrical machines, are used to reduce....

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Question 3. The initial rate of rise of current through a coil of inductance 10 H when suddenly connected to a D.C. supply of 200 V ....connected to a D.C. supply of 200 V is ___________Vs

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Question 9. Permanent magnets are normally made of....

Question 10. Reciprocal of reluctance is....

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