A point charge +q is placed outside a grounded conducting sphere of radius a. Which of the following statements is not true? (a) there is an attractive force between the sphere and the point charge (b) the induced surface charge density on the sphere is not the same everywhere (c) the electric field inside the sphere is zero (d) the total induced charge on the sphere is -q (e) the electrostatic potential at a large distance d (compared to the distance between the charge and th sphere) falls off as 1/d. [JNU 2014]

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Chapter1: Units, Trigonometry. And Vectors
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A point charge +q is placed outside a grounded conducting sphere of radius a. Which of the following
statements is not true?
(a) there is an attractive force between the sphere and the point charge
(b) the induced surface charge density on the sphere is not the same everywhere
(c) the electric field inside the sphere is zero
(d) the total induced charge on the sphere is -q
(e) the electrostatic potential at a large distance d (compared to the distance between the charge and the
sphere) falls off as 1/d.
[JNU 2014]
Transcribed Image Text:A point charge +q is placed outside a grounded conducting sphere of radius a. Which of the following statements is not true? (a) there is an attractive force between the sphere and the point charge (b) the induced surface charge density on the sphere is not the same everywhere (c) the electric field inside the sphere is zero (d) the total induced charge on the sphere is -q (e) the electrostatic potential at a large distance d (compared to the distance between the charge and the sphere) falls off as 1/d. [JNU 2014]
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