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The resistance of a bulb filament is 100Ω at a temperature of 100ºC.

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asked Mar 24, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 50

The resistance of a bulb filament is 100Ω  at a temperature of 100ºC. If its temperature coefficient of resistance be 0.005 per ºC, its resistance will become 200Ω  at a temperature of
(a) 200ºC 

(b) 300ºC

(c) 400ºC 

(d) 500ºC.

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answered Mar 24, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 26, 2018 by Vikash Kumar
 
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