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A spherical conductor of radius a is placed in a uniform electric field  the potential at a point  for r > a, is given by

where r is the distance of P from the centre O of the sphere and q is the angle OP makes with the z-axis.

The charge density on the sphere at q = 30° is
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A spherical conductor of radius a is placed in a uniform electric fiel...
Potential f (r, θ ) 
We know electric field due to conducting sphere is


E F. at the surface sphere of sphere and at θ = 30°


So, surface charge density s 
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A spherical conductor of radius a is placed in a uniform electric field the potential at a point for r > a, is given bywhere r is the distance of P from the centre O of the sphere and q is the angle OP makes with the z-axis.The charge density on the sphere at q = 30° isa)b)c)d)Correct answer is option 'A'. Can you explain this answer?
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