Physics · 2008
NEET 2008 · Prelims · Code A · Q27
The electric potential at a point in free space due to a charge Q coulomb is Q × 10^11 volts. The electric field at that point is:
The electric potential at a point in free space due to a charge $\displaystyle Q$ coulomb is $\displaystyle Q \times 10^{11}$ volts. The electric field at that point is :
Official answer
(2)
$\displaystyle 4 \pi \epsilon_{\mathrm{o}} Q \times 10^{22}$ volt $\displaystyle / \mathrm{m}$
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