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 1 volt, the resistance in ohms needed to be connected in series with the coil will be
99995
9995
103
105
As we learnt in
Moving coil galvanometer -
It is a very sensitive instrument used to measure the small current.Galvanometer gives the deflection which is proportional to electric current flowing through it.
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Resistance of galvanometer
For conversion into a voltmeter, a high resistance should be connected in series with the galvanometer
or
Option 1)
99995
Incorrect option
Option 2)
9995
Correct option
Option 3)
103
Incorrect option
Option 4)
105
Incorrect option
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