Statement I : A small unchanged solid conducting sphere is supended from a fixed point O by a light insulating string (figure 1). The system is in equilibrium. Now a horizontal unifrom electric field E is switched on As a result the conducting sphere is deflected towards left as shown (figurte 2)

Statement II : When a solid conducting sphere having zero net charge is placed in uniform electric field, charges are inducned on the surface of sphere.

Options

A. Statement I is True, Statement II is True, Statement II is a correct explantion for Statement I
B. Statement I is True, Statement II is True, Statement II is not a correct explanation for Statement I
C. Statement I is True, Statement II is False.
D. Statement I is False, Statement II is True.

Answer

D

Explanation

Charge is induced on surface of conducting sphere when electric field is switched on, but net charge on conducting sphere remains zero. Electric force on a charged body placed in uniform electric fields is the product of charge and electric field. Hence exerted by electric field on conducing sphere is zero Therefore statement 1 is false.