Electrical Engineering > GATE 2022 > Electrostatics
As shown in the figure below, two concentric conducting spherical shells, centered at r=0 and having radii r=c and r=d are maintained at potentials such that the potential V(r) at r=c is V1 and V(r) at r=d is V2. Assume that V(r) depends only on r, where r is the radial distance. The expression for V(r) in the region between r=c and r=d is
A
cd(V2-V1)/((d-c)r) - (V1c+V2d-2V1d)/(d-c)
B
cd(V1-V2)/((d-c)r) + (V2d-V1c)/(d-c)
C
cd(V1-V2)/((d-c)r) - (V1c-V2c)/(d-c)
D
cd(V2-V1)/((d-c)r) - (V2c-V1c)/(d-c)

Correct : b

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concentric conducting shells GATE Electrical Engineering 2022 potential between shells GATE 2022 spherical shells potential GATE electrostatics electrostatics GATE potential between concentric spheres

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