JEE Main 2005 Physics question
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
Answer: (4)
Solution
Full-scale current mA. Resistance of the coil in units:
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