Questions
Mark the incorrect statement: (
a
Electrical field intensity due to a non-conducting charged solid sphere at a point outside the sphere is R3ρ3∈0r2
b
Electrical field intensity at a point on the surface of a insulating charged solid sphere will be Rρ3∈0
c
Electric field intensity due to an insulating charged solid sphere at a point located inside the surface at a distance ‘r’ from the centre of the sphere will be ρr3∈0
d
Electric field intensity due to a solid insulating charged sphere, at a point inside the sphere will be zero
detailed solution
Correct option is D
ρ=Q43πR3⇒Q=43πR3ρ Electric field inside non conducting solid sphere of radius R at a distance r from centre=E=KQrR3 Electric field on non conducting solid sphere=E=KQR2 Electric field outside non conducting solid sphere=E=KQr2 Electric field at the centre of non conducting solid sphere=E=0Talk to our academic expert!
Similar Questions
At a point 20 cm from the centre of a uniformly charged dielectric sphere of radius 10 cm, the electric field is 100 V/m. The electric field at 3 cm from the centre of the sphere will be
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