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Two insulated charged conducting spheres...

Two insulated charged conducting spheres of radii `20 cm` and `15 cm` respectively and having an equal charge of `10 C` are connected by a copper wire and then they are separated. Then

A

Both the spheres will have the same charge of 10C

B

Surface charge density on the 20cm sphere will be greater than that on the 15 cm sphere

C

Surface charge density on the 15 cm sphere will be greater than that on the 20 cm sphere

D

Surface charge density on the two spheres will be equal

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The correct Answer is:
C
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