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A conducting sphere of radius R is charged to a potential of V volts. The electric field at a distance r(>R) from the center of the sphere would be
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a
Vr
b
R2Vr3
c
RVr2
d
rVR2
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Correct option is C
V=q4πEoRq=V4πEoRE=q4πEor2 r>R=V.4πEoR4πEor2=VRr2Similar Questions
An infinite sheet of charge has a surface charge density of . The separation
between two equipotential surfaces, whose potentials differ by 10 V is
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