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Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityEquivalent ResistanceEasy2 minPYQ_2005

PhysicsEasysingle choice

When a wire of uniform cross section $a$ , length $l$ and resistance $R$ is into a complete circle, resistance between any two of diametrically opposite point will be:NEET 2005

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Answer:

Solution:

Both are in parallel
$\frac{1}{R ^{'}} = \frac{2}{R} + \frac{2}{R} = \frac{4}{R} \Rightarrow R^{'} = \frac{R}{4}$

Stream:NEETSubject:PhysicsTopic:Current ElectricitySubtopic:Equivalent Resistance

⏱ 2mℹ️ Source: PYQ_2005

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