The electric potential at a point in free space due to charge $Q$ coulomb is $V=Q$$ \times {10^{11}}\,V$ . The electric field at that point is
The electric potential at a point in free space due to charge $Q$ coulomb is $V=Q$$ \times {10^{11}}\,V$ . The electric field at that point is
- [AIPMT 2008]
- A
$4\pi {\varepsilon _0}Q \times 10^{20}\;V/m$
- B
$\;12\pi {\varepsilon _0}Q \times {10^{22}}\;V/m$
- C
$\;4\pi {\varepsilon _0}Q \times {10^{22}}\;V/m$
- D
$\;12\pi {\varepsilon _0}Q \times {10^{20}}\;V/m$
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