Q)
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TEST FEEPBACK
Q.20
SINGLE CHOICE
A solid, uncharged conducting sphere of
radius 3a contains a concentric hollowed
spherical cavity of radius a.
За
A point charge +Q is placed at the center of
the spheres. Taking V = 0 at r oo, the
potential at position r = 2a from the center
is-
KQ
a
KQ
2a
KQ
За
Correct Answer (Your Answer)
2KQ
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