galvanometer has resistance of 10 ohms and a full scale deflection is produced by 5 milli amperes. What is the value of resistance that should be connected in series with it in order to enable it to read 2V? a) 20 Ω b) 10 Ω c) 40 Ω d) 30 Ω

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galvanometer has resistance of 10 ohms and a full scale deflection is produced by 5 milli amperes. What is the value of resistance that should be connected in series with it in order to enable it to read 2V?

a) 20 Ω

b) 10 Ω

c) 40 Ω

d) 30 Ω

 

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