The resistance of the bulb filament is 100Ω at a temperature of 100 � – McqOptions

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1.	The resistance of the bulb filament is 100Ω at a temperature of 100 °C, its temperature co-efficient of resistance be 0.005 per °C. its resistance will become 200 Ω at a temperature.
A.	300 °C
B.	400 °C
C.	500 °C
D.	200 °C
Answer» B. 400 °C

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