Physics - Electrostatics Question with Solution | TestHub

PhysicsElectrostaticsElectric Field & ForceEasy2 minPYQ_2011

PhysicsEasysingle choice

In an uniformly charged sphere of total charge Q and radius $R,$ the electric field $E$ is plotted as function of distance from the centre. The graph which would correspond to the above will be

Options:

Answer:

Solution:

Electric field inside the uniformly charged sphere varies linearly, $E = \frac{k Q}{R ^{3}} r, (r \leq R)$ while outside the sphere, it varies as inverse square of distance, $E = \frac{k Q}{r ^{2}}; (r \geq R)$ which is correctly represented in option (c).

Stream:BITSATSubject:PhysicsTopic:ElectrostaticsSubtopic:Electric Field & Force

⏱ 2mℹ️ Source: PYQ_2011

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