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0 votes
1.8k views
in Physics by (79.8k points)

With an increase in temperature, the electrical conductivity of intrinsic semiconductor 

(a) remains unchanged 

(b) increases 

(c) decreases 

(d) first (b) then (c)

1 Answer

+1 vote
by (83.4k points)
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Best answer

The correct option (b) increases.

Explanation:

An intrinsic semiconductor has a negative temperature coefficient. Its resistivity decreases with increase in temperature. Electrical conductivity is the reciprocal of resistivity. Hence, electrical conductivity of intrinsic semiconductor increases with increase in temperature.

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