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प्रश्न
How does the resistivity of a semiconductor depend on temperature?
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उत्तर
The resistivity of a semiconductor decreases with an increase in temperature.
संबंधित प्रश्न
Find the expression for resistors connected in series.
Find the equivalent resistance between A and B

Calculate the resistance of an aluminium cable of length 10 km and diameter 2.0 mm if the resistivity of aluminium is 27 × 10−8 Ωm.
Calculate the combined resistance in each case:

If two resistors of 25 Ω and 15 Ω are joined together in series and then placed in parallel with a 40 Ω resistor, the effective resistance of the combination is :
(a) 0.1 Ω
(b) 10 Ω
(c) 20 Ω
(d)40 Ω
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