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Solution


Q.

A galvanometer has a resistance of 50 Ω and it allows maximum current of 5 mA. It can be converted into voltmeter to measure upto 100 V by connecting in series a resistor of resistance           [2024]
1 5975Ω  
2 20050Ω  
3 19950Ω  
4 19500Ω  

Ans.

(3)

=20000-50=19950Ω