Download Aptitude Crack
img not found img not found

Materials and Components

Q1:

As the temperature of a pure silicon specimen is increased

A the number of free electrons increases

B the number of holes decreases

C the number of holes increases

D the number of free electrons and holes increases

ANS:D - the number of free electrons and holes increases

As the temperature inc, the bond between the valence electrons and the nucleus breaks and a electron is released. These free electron will give rise to a free hole and the current flows due to these free electrons.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.