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Physics
Electrostatic Potential and Capacitance
Three concentric conducting shells are arranged as shown. The charges on the shells are Q, -2Q and Q respectively. Here $K=\frac{1}{4 \pi \varepsilon_0}$.
Column I
Column II
(A) Potential of B
(p) $\frac{KQ}{3 R}$
(B) Potential of C
(q) $\frac{K Q}{2 R}$
(C) Potential difference between A and C
(r) $\frac{-KQ}{6 R}$
(D) Potential difference between B and C
(s) Zero
(A) – (p)(B) – (s)(C) – (q)(D) – (r)
(A) – (p)(B) – (r)(C) – (q)(D) – (s)
(A) – (p)(B) – (q)(C) – (s)(D) – (r)
(A) – (p)(B) – (q)(C) – (r)(D) – (s)