In a piezoelectric crystal, the application of mechanical force will cause

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

shift in Fermi level

plastic deformation of crystal

magnetic dipoles in the crystal

electrical polarization in the crystal

Correct Answer : Option (C) : magnetic dipoles in the crystal

Explanation : Piezoelectric materials permit conversion of mechanical force into electrical energy.

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