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PhysicsCurrent ElectricityElectrical instrumentEasy2 minPYQ_2020

PhysicsEasysingle choice

In a potentiometer arrangement shown in fig. The balancing length for potential difference across $X, Y$ points is found to be $45.5 c m$ . Then the balancing length for potential difference across $(Y)$ and $(Z)$ would be

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Answer:

Solution:

$\frac{V_{1}}{V_{2}} = \frac{R_{1}}{R_{2}} = \frac{L_{1}}{L_{2}}$

$= \frac{5}{4} = \frac{45.5}{L_{2}}$

$L_{2} = \frac{45.5 \times 4}{5}$

$L_{2} = 36 .4 cm$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument

⏱ 2mℹ️ Source: PYQ_2020

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