Question

With reference to semi-conductors answer the following : 

(i) What is the change in the resistance of the semi-conductor with increase in temperature ?

(ii) Name the majority charge carriers in n-type semi-conductor.

(iii) What is meant by doping ?

Answer 1

(i) With increase in temperature, resistance decreases.

(ii) Majority charge carriers in n-type is electrons.

(iii) The addition of impurities in intrinsic semiconductor is called doping.