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Question 31408
JEE Physics · Medium

Electrostatics: Electric Dipole MCQ

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Electric DipoleMediumQuestion 31408

Question

Electric dipole moment p of a dipole (+q and −q separated by 2a) is:
  1. A
    2qa (scalar)
  2. B
    q/(2a)
  3. C
    2q/a
  4. D
    2qa directed from −q to +q
    Correct

Correct answer

2qa directed from −q to +q

Explanation

p = q × 2a directed from negative to positive charge. p is a vector (N·m²... actually p has unit C·m).

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