A copper wire is stretched to decrease the radius by 0.1% Calculate the percentage change in its resistance. |
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(a) |
0.3 % decrease |
(b) |
0.4 % decrease |

(c) |
0.4 % increase |
(d) |
0.2 % increase |

A copper wire is stretched to decrease the radius by 0.1% Calculate the percentage change in its resistance. |
|||

(a) |
0.3 % decrease |
(b) |
0.4 % decrease |

(c) |
0.4 % increase |
(d) |
0.2 % increase |

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