The current and voltage graphs for a given metallic wire at two different temperatures and are shown in the figure. It is concluded that

a) |
b) |
c) |
d) |

The current and voltage graphs for a given metallic wire at two different temperatures and are shown in the figure. It is concluded that

a) |
b) |
c) |
d) |

1 Answer

127 votes

Slope of the graph will give us reciprocal of resistance. Here resistance at temperature is greater than that at . Since resistance of metallic wire is more at higher temperature then at lower temperature, hence |

127 votes

127