1.

A sphere of radius \[1\,cm\] has potential of \[8000\,V\], then energy density near its surface will be     [RPET 1999]

A.            \[64\times {{10}^{5}}J/{{m}^{3}}\]
B.                                      \[8\times {{10}^{3}}J/{{m}^{3}}\]
C.                    \[32\,J/{{m}^{3}}\]
D.                                      \[2.83\,J/{{m}^{3}}\]
Answer» E.


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