Question

Two thin spherical shells made of metal are at a large distance apart. One of radius 10 cm carries a charge of +0.5 mC and the other of radius 20 cm carries a charge of +0.7 mC. The charge on each, when they are connected by a suitable conducting wire is respectively-

• A. 0.4 and 0.8 mC
• B. +0.425 and +0.85 mC
• C. +0.5 and +0.7 mC
• D. +0.6 and +0.6 mC

Answer 1

Answer: (A)

0.4 and 0.8 mC

Answer 2

q'₁ = $\frac { \mathrm { R } _ { 1 } } { \mathrm { R } _ { 1 } + \mathrm { R } _ { 2 } }$ (q₁ + q₂)

q'₂ = (q₁ + q₂)