A sphere of radius $1\,cm$ has potential of $8000\,V$, then energy density near its surface will be
A sphere of radius $1\,cm$ has potential of $8000\,V$, then energy density near its surface will be
- A
$64 \times {10^5}\,J/{m^3}$
- B
$8 \times {10^3}\,J/{m^3}$
- C
$32\,J/{m^3}$
- D
$2.83\,J/{m^3}$
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