The length of the resistance wire is increased by 10%. What is the corresponding change in the resistance of wire? |
|||||||

a) |
10 % |
b) |
25 % |
c) |
21 % |
d) |
9 % |

The length of the resistance wire is increased by 10%. What is the corresponding change in the resistance of wire? |
|||||||

a) |
10 % |
b) |
25 % |
c) |
21 % |
d) |
9 % |

1 Answer

127 votes

If volume and density remains same, then resistance of wire Where is the length of the wire Hence, Therefore, change in resistance of wire =21% |

127 votes

127