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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 ?
Solution
(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.
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