Two identical conducting spheres and are kept far apart

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Two identical conducting spheres

A

and

B

are kept far apart. Sphere

A

carries a charge of

+6\,\mu\mathrm C

and sphere

B

carries a charge of

-2\,\mu\mathrm C

. They are connected by a thin conducting wire and then separated again. What will be the charge on each sphere after separation? (a)

+4\,\mu\text C

on each (b)

+2\,\mu\text C

on each (c) Zero on each (d)

+3\,\mu\text C

A

and

+1\,\mu\text C

B