IIT-JEE 2007 · Paper 1 · Physics Q5

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PhysicsSingle correct+3 / -1Question 5 of 66

Consider a neutral conducting sphere. A positive point charge is placed outside the sphere. The net charge on the sphere is then,

negative and distributed uniformly over the surface of the sphere

negative and appears only at the point on the sphere closest to the point charge

negative and distributed non-uniformly over the entire surface of the sphere

zero

Answer and worked solution

Official answer: D

Induction only redistributes charge. The external charge induces negative charge on the near side and an equal positive charge on the far side; the sphere was neutral and stays neutral (it is not earthed).

(D) zero

Topics:Conductors and charge distribution

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IIT-JEE 2007 · Paper 1, Physics question 5