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The maximum current that can be measured...

The maximum current that can be measured by a galvanometer of resistance `40 Omega` is 10 mA. It is converted into a voltmeter that can read upto 50 V. The resistance to be connected in the series with the galvanometer is ............ (in ohm).

A

2010

B

4050

C

5040

D

4960

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