What is retentivity?...

What is retentivity?

The magnitude of B when H is maximum.

The magnitude of H when B is maximum.

The magnitude of B when His zero.

The magnitude of M when H is zero.

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The correct Answer is:

According to equation `(B)/( mu_0) - M = i_(f) = H`, in curve ` B-H` when H=0`, the value of B obtain is known as retentivity.

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