SATHEE: Magnetism Question 141

Magnetism Question 141

Question: The material of permanent magnet has

[KCET 1994, 2003; AFMC 2004]

Options:

A) High retentivity, low coercivity

B) Low retentivity, high coercivity

C) Low retentivity, low coercivity

D) High retentivity, high coercivity

Show Answer

Answer:

Correct Answer: D

Solution:

From the characteristic of B-H curve.

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Magnetism Question 141

Question: The material of permanent magnet has

Options:

Answer:

Solution:

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