A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80 volt. The potential at the centre of the sphere is:
A. 8 volt
B. 800 volt
C. 80 volt
D. Zero
Answer:C
A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80 volt. The potential at the centre of the sphere is:
A. 8 volt B. 800 volt C. 80 volt D. Zero