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PhysicsCurrent ElectricityElectrical instrumentMedium2 minPYQ_2005

PhysicsMediumsingle choice

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

Question diagram: In the circuit, the galvanometer G shows zero deflection. If

Options:

Answer:

Solution:

$\frac{12 R}{500 + R} = 2$

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument

⏱ 2mℹ️ Source: PYQ_2005

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