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A galvanometer of resistance 50 Omega gi...

A galvanometer of resistance `50 Omega` gives a full scale deflection for a current `5 xx 10^(-4)A`.The resistance that should be connected in series with the galvanometer to read 3 V is:

A

0.15 ohm

B

25 ohm

C

0.55 ohm

D

0.25 ohm

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