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Physics-Electric Dipole

NEET Physics Electric Dipole MCQ Question

Type: MCQ-numerical-Hard-Class 12

An electric dipole consists of charges +q and -q separated by a distance of 2a. What is the expression for the dipole moment vector $\mathbf{p}$ ?

A

2qa in the direction from -q to q

B

qa in the direction from q to -q

C

qa in the direction from -q to q

D

2qa in the direction from q to -q

Correct Answer

Option A

Detailed Explanation

The dipole moment vector $\mathbf{p}$ has a magnitude of $2qa$ and is directed from the negative charge $-q$ to the positive charge $+q$ along the dipole axis.

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