When a resistance of 100 is connected in series with a gal vinometer of resistance R, its range is V. to double its range, a resistance of 1000 is connected in series. Find R |
|||||||

a) |
700 |
b) |
800 |
c) |
900 |
d) |
100 |

When a resistance of 100 is connected in series with a gal vinometer of resistance R, its range is V. to double its range, a resistance of 1000 is connected in series. Find R |
|||||||

a) |
700 |
b) |
800 |
c) |
900 |
d) |
100 |

1 Answer

127 votes

When a resistance of 100 is connected in series current, When a resistance of 1000 is connected in series, the its range double Current, ……(ii) From Eqs. (i) and (ii) |

127 votes

127