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Physics - Electrostatics Question with Solution | TestHub

PhysicsElectrostaticsPotential & potential energyMedium2 minPYQ_2023

PhysicsMediumsingle choice

The radii of two concentric spherical conducting shells are $r_{1}$ and $r_{2} (> r_{1})$ . The charge on the outer shell is $q$ . What will be the charge on the inner shell which is connected to the earth?

Options:

Answer:

Solution:

Let $q_{1}$ be the charge on the inner shell. On being earth its potential will be zero. or $V = 0 = \frac{1}{4 π ε _{0}} [\frac{q _{1}}{r _{1}} + \frac{q _{2}}{r _{2}}]$ $∴ q^{'} = - \frac{r _{1}}{r _{2}} q$

Stream:VITEEESubject:PhysicsTopic:ElectrostaticsSubtopic:Potential & potential energy

⏱ 2mℹ️ Source: PYQ_2023

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