A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10 divisions per milliampere and voltage sensitivity is 2 divisions per millivolt. In order that each division reads 1V, the resistance in Ohm’s needed to be connected in series with the coil will be |
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a) |
b) |
c) |
99995 |
d) |
9995 |

A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10 divisions per milliampere and voltage sensitivity is 2 divisions per millivolt. In order that each division reads 1V, the resistance in Ohm’s needed to be connected in series with the coil will be |
|||||||

a) |
b) |
c) |
99995 |
d) |
9995 |

1 Answer

127 votes

**(d)**

Full scale deflection current

Full scale deflection voltage

Galvanometer resistance

Required full scale deflection voltage.

Let resistance to be connected in series is R.

127 votes

127