A potential difference of is applied at the ends of a copper wire of length and diameter . On doubling only , the drift velocity, |
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a) |
Becomes two times |
b) |
Becomes half |
c) |
Does not change |
d) |
Becomes one-fourth |

A potential difference of is applied at the ends of a copper wire of length and diameter . On doubling only , the drift velocity, |
|||||||

a) |
Becomes two times |
b) |
Becomes half |
c) |
Does not change |
d) |
Becomes one-fourth |

1 Answer

127 votes

As is independent of area of cross-section hence drift velocity will not change, when diameter is doubled |

127 votes

127