When temperature is above ferromagnetic Curie temperature, a ferromagnetic material

Electronics and Communication Engineering (ECE) : Materials and Components - Quiz(MCQ)

becomes diamagnetic material

becomes a paramagnetic material

becomes a very strong ferromagnetic material

None of the above

Correct Answer : Option (B) : becomes a paramagnetic material

Explanation : Above ferromagnetic Curie temperature, ferro-magnetic material behaves as a paramagnetic material.

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motion of domain walls and domain rotation

None of the above

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A circular sphere mile is the area of cross-section of a wire

having a radius equal to 1 miles

having a circumference equal to 1 miles

having a circumference equal to 0 miles

having a diameter equal to 1 miles

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Correct Answer : air