A dielectric is subjected to alternating field. The dielectric losses are potential to

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

real part of dielectric constant

either real or imaginary part of dielectric constant

imaginary part of dielectric constant

both real and imaginary parts of dielectric constant

Correct Answer : Option (C) : imaginary part of dielectric constant

Explanation : Absorption of energy is proportional to imaginary part of complex dielectric constant.

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