A Combination of two charges +1 nC and -1 nC are separated by a distance of 1 μm. This Constituted electric dipole is placed in an electric field of 1000 V/m at an angle of 45 degree. The torque and the potential energy on the electric dipole are:
\(\frac{1}{\sqrt{2}}\) x10-12 N.m and \(\frac{1}{\sqrt{2}}\) x10-12 J
\(\frac{1}{\sqrt{2}}\) x10-12 N.m and \(\sqrt{2}\) x10-12 J
\(\sqrt{2}\) x10-12 N.m and \(\frac{1}{\sqrt{2}}\) x10-12 J
\(\sqrt{2}\) x10-12 N.m and \(\sqrt{2}\) x10-12 J
\(\frac{\sqrt{3}}{2}\) x10-12 N.m and \(\frac{\sqrt{3}}{2}\)x10-12 J
The Correct Option is A
Solution and Explanation
The correct answer is (A): \(\frac{1}{\sqrt{2}}\) x10-12 N.m and \(\frac{1}{\sqrt{2}}\) x10-12 J
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Concepts Used:
Electric Dipole
An electric dipole is a pair of equal and opposite point charges -q and q, separated by a distance of 2a. The direction from q to -q is said to be the direction in space.
p=q×2a
where,
p denotes the electric dipole moment, pointing from the negative charge to the positive charge.
Force Applied on Electric Dipole
