When a current of 5 mA is passed through a galvanometer having a coil of resistance 15$\Omega $, it shows full scale deflection. The value of the resistance to be put in series with the galvanometer to convert it into a voltmeter of range 0

Question

When a current of 5 mA is passed through a galvanometer having a coil of resistance 15$\Omega $, it shows full scale deflection. The value of the resistance to be put in series with the galvanometer to convert it into a voltmeter of range 0 – 10V is:

4.005 × 10³ $\Omega $

1.985 × 10³ $\Omega $

2.535 × 10³ $\Omega $

2.045 × 10³ $\Omega $

Solution

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