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Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical instrumentMedium2 minPYQ_2024

PhysicsMediumsingle choice

The given circuit shows a uniform straight wire $A B$ of 40 cm length fixed at both ends. In order to get zero reading in the galvanometer $G$ , the free end of $J$ is to be placed from $B$ at:
NEET 2024 (Re-NEET)

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Answer:

Solution:

$\frac{8}{x} = \frac{12}{40 - x}$ $\frac{2}{x} = \frac{3}{40 - x}$ $80 - 2 x = 3 x$ $16 = x$ from B $= 40 - 16 = 24 cm$

Stream:NEETSubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument

⏱ 2mℹ️ Source: PYQ_2024

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