The resistance of a bulb filmanet is 100...

The resistance of a bulb filmanet is `100Omega` at a temperature of `100^@C`. If its temperature coefficient of resistance be 0.005 per `.^@C`, its resistance will become `200 Omega` at a temperature of

`500^(@)C`

`300^(@)C`

`200^(@)C`

`400^(@)C`

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The resistance of the bulb filament is 100Omega at a temperature of 100^(@)C . If its temperature co-efficient of resistance be 0.005 per 5 ""^(@)C , its resistance will becomes 200 Omega at a temperature

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