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A dipole consists of two equal and opposite charges separated by a distance. Wha

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Question: A dipole consists of two equal and opposite charges separated by a distance. What happens to the dipole moment if the distance is doubled?

Options:

  1. It doubles
  2. It halves
  3. It remains the same
  4. It quadruples

Correct Answer: It doubles

Solution: 

Dipole moment p = q * d, if d is doubled, p also doubles.

A dipole consists of two equal and opposite charges separated by a distance. Wha

Practice Questions

Q1
A dipole consists of two equal and opposite charges separated by a distance. What happens to the dipole moment if the distance is doubled?
  1. It doubles
  2. It halves
  3. It remains the same
  4. It quadruples

Questions & Step-by-Step Solutions

A dipole consists of two equal and opposite charges separated by a distance. What happens to the dipole moment if the distance is doubled?
  • Step 1: Understand what a dipole is. A dipole consists of two charges: one positive (+q) and one negative (-q) that are separated by a distance (d).
  • Step 2: Know the formula for dipole moment (p). The dipole moment is calculated using the formula p = q * d, where q is the charge and d is the distance between the charges.
  • Step 3: Identify what happens when the distance (d) is doubled. If the distance is increased from d to 2d, we need to see how this affects the dipole moment.
  • Step 4: Substitute the new distance into the dipole moment formula. If d is doubled, the new dipole moment becomes p = q * (2d).
  • Step 5: Simplify the new dipole moment. This simplifies to p = 2 * (q * d), which means the new dipole moment is twice the original dipole moment.
  • Step 6: Conclude that if the distance is doubled, the dipole moment also doubles.
  • Dipole Moment – The dipole moment is a vector quantity that represents the separation of positive and negative charges in a dipole, calculated as the product of the charge and the distance between the charges.
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