If a sample of germanium and a sample of silicon have the same impurity density and are kept at room temperature

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

both will have equal value of resistivity

both will have equal negative resistivity

resistivity of germanium will be higher than that of silicon

resistivity of silicon will be higher than that of germanium

Correct Answer : Option (D) : resistivity of silicon will be higher than that of germanium

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