In paramagnetic materials - Materials and Components

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

In paramagnetic materials

permanent magnetic dipole do not exist

permanent magnetic dipoles exist but the interaction between neighbouring dipoles is negligible

permanent magnetic dipole moment may or may not exist

permanent magnetic dipoles exist and the interaction between neighbouring dipoles is very strong

Correct Answer : Option (B) : permanent magnetic dipoles exist but the interaction between neighbouring dipoles is negligible

Explanation : In paramagnetic materials interaction between neighbouring dipoles is negligible.

Recently Updated in Materials and Components Questions

Magnetic hysteresis phenomenon is explained by

domain rotation

motion of domain walls

motion of domain walls and domain rotation

None of the above

Correct Answer : motion of domain walls and domain rotation

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

Correct Answer : having a diameter equal to 1 miles

For small size high frequency coils, the most common core material is

steel

ferrite

air

powdered iron

Correct Answer : air