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Grade: 12th pass
        We have 3 concentric metallic spheres of radius r1, r2 and r3 having charges q1, q2 and q3 on them. The innermost and outermost spheres are earthed. Find the distribution of charge.
one year ago

Answers : (1)

Vikas TU
6887 Points
							
Innermost is earthed hence its potetial becomes zero.
V = 0 = Kq1/r1 = 0
that is q1 = 0
At middle layer
potential is => Kq2/r2 + 0 = V2
At outermost layer,
V3 = kq3/r3 + V => kq3/r3 + kq2/r2 = 0
hence,
q3/r3 = q2/r2
Final charge,
q1 = 0
q2 = q2
and
q3 = q2*r2/r3
one year ago
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