At room temperature the number of conducting electrons in an intrinsic semiconductor

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

Is about half the number of valence electrons

Is almost equal to the number of valence electrons

Is small as compared to the number of valence electrons

Is a very small fraction of the number of valence electrons

Correct Answer : Option (D) : Is a very small fraction of the number of valence electrons

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