If the electric potential of the inner shell is 10V and that of the outer shell is 5V, then the potential at the centre will be
A
10V
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B
5V
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C
15V
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D
0
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Solution
The correct option is B10V The basic property of the conductor is that the potential at every point within or on the surface of the conductor will be same As the potential of inner metal sphere is 10 volt , the potential at center will be 10 volt.