Current Electricity

Question: Resistance of tungsten wire at $150^\circ C$ is $133\,\Omega $. Its resistance temperature coefficient is $0.0045/^\circ C$. The resistance of this wire at $500^\circ C$ will be

1) $180\,\Omega $

2) $225\,\Omega $

3) $258\,\Omega $

4) $317\,\Omega $

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

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