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CG PET Electric Dipole — practice questions

Explore 1 free Electric Dipole questions in CG PET Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Electric Dipole questions and exercises with answers

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The dipole moment $\vec p$ of a pair of charges $+q$ and $-q$ separated by $2\ell$ is directed:Read the answer and worked solution →

Worked practice questions

The dipole moment $\vec p$ of a pair of charges $+q$ and $-q$ separated by $2\ell$ is directed:

  1. From $-q$ to $+q$
  2. Along the equator of the dipole
  3. Perpendicular to the line joining them
  4. From $+q$ to $-q$
Show answer and solution

Correct answer: A. From $-q$ to $+q$

By convention $\vec p$ points from the negative charge to the positive charge and has magnitude $p = q \cdot 2\ell$. The equator is perpendicular to $\vec p$.

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