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Physics - Error Question with Solution | TestHub

PhysicsErrorMiscellaneousEasy2 minPYQ_2008

PhysicsEasysingle choice

Shown in the figure below is a meter-bridge set up with null deflection in the galvanometer.
The value of the unknown resistor $R$ is

Question diagram: Shown in the figure below is a meter-bridge set up with null

Options:

Answer:

B

Solution:

$\frac{55}{20} = \frac{R}{80} \Rightarrow R = \frac{55 \times 8}{2} = 220Ω$

Stream:JEESubject:PhysicsTopic:ErrorSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2008

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