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  • In the circuit, the galvanometer G shows zero deflection. If the batteries A and B have negligible internal resistance the value of the

In the circuit, the galvanometer  G   shows zero deflection. If the batteries A and B  have negligible internal resistance the value of the resistor  R   will be  

 

 

 

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V_{R}=2 V=\left(\frac{R}{500+R}\right) \times 12 \Rightarrow R=100 \Omega

Posted by

Satyajeet Kumar

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