The number of electrons to be put on a spherical conductor of radius $0.1\,m$ to produce an electric field of $0.036\, N/C$ just above its surface is
The number of electrons to be put on a spherical conductor of radius $0.1\,m$ to produce an electric field of $0.036\, N/C$ just above its surface is
- A
$2.7 \times {10^5}$
- B
$2.6 \times {10^5}$
- C
$2.5 \times {10^5}$
- D
$2.4 \times {10^5}$
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