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Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical instrumentMedium2 minPYQ_2011

PhysicsMediumsingle choice

A potentiometer is connected across A and B and a balance is obtained at $64.0 cm$ . When potentiometer lead to $B$ is moved to $C$ , a balance is found at $8.0 cm$ . If the potentometer is now connected across B and C, a balance will be found at

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Answer:

Solution:

Here, $E_{1} \propto 64$ $E_{1} - E_{2} \propto 8$ $E_{2} \propto l$ $∴ 64 - l = 8$ or $l = 64 - 8 = 56 cm$

Stream:VITEEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument

⏱ 2mℹ️ Source: PYQ_2011

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