In a ferromagnetic material, the internal field seen by a dipole is

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

equal to applied field plus a contribution from neighbouring dipoles

equal to applied field

equal to or less than applied field

equal to applied field minus a contribution from neighbouring dipoles

Correct Answer : Option (A) : equal to applied field plus a contribution from neighbouring dipoles

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