There are two uncharged identical metallic spheres 1 and 2 of radius r separated by a distance d(d r) . A charged metallic sphere of same radius having charge q is touched with one of the sphere. After some time it is moved away from the system. Now the uncharged sphere is earthed. Charge on earthed sphere is

Question

There are two uncharged identical metallic spheres 1 and 2 of radius r separated by a distance d(d > > r) . A charged metallic sphere of same radius having charge q is touched with one of the sphere. After some time it is moved away from the system. Now the uncharged sphere is earthed. Charge on earthed sphere is (A) q (B) -q (C) - qr / 2 d (D) 0

Tardigrade Admin · Accepted Answer

Correct answer is (c) - qr / 2 d

$q$

$- q$

$- q r /2 d$

$0$

Correct answer is (c) $- q r /2 d$

q

−q

−qr/2d

0

Correct answer is (c) −qr/2d

$q$

$- q$

$- q r /2 d$

$0$

Correct answer is (c) $- q r /2 d$