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A dipole moment is defined as the product of charge and the distance between the

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Question: A dipole moment is defined as the product of charge and the distance between the charges. What is the dipole moment of a dipole consisting of charges +2μC and -2μC separated by 0.1m?

Options:

  1. 4 × 10^-7 C m
  2. 2 × 10^-7 C m
  3. 2 × 10^-6 C m
  4. 4 × 10^-6 C m

Correct Answer: 4 × 10^-7 C m

Solution: 

Dipole moment p = q * d = (2 × 10^-6 C) * (0.1 m) = 2 × 10^-7 C m.

A dipole moment is defined as the product of charge and the distance between the

Practice Questions

Q1
A dipole moment is defined as the product of charge and the distance between the charges. What is the dipole moment of a dipole consisting of charges +2μC and -2μC separated by 0.1m?
  1. 4 × 10^-7 C m
  2. 2 × 10^-7 C m
  3. 2 × 10^-6 C m
  4. 4 × 10^-6 C m

Questions & Step-by-Step Solutions

A dipole moment is defined as the product of charge and the distance between the charges. What is the dipole moment of a dipole consisting of charges +2μC and -2μC separated by 0.1m?
  • Step 1: Identify the charges in the dipole. We have +2μC and -2μC. Convert these to Coulombs: +2μC = 2 × 10^-6 C and -2μC = -2 × 10^-6 C.
  • Step 2: Identify the distance between the charges. The distance given is 0.1 m.
  • Step 3: Use the formula for dipole moment, which is p = q * d, where q is the charge and d is the distance.
  • Step 4: Substitute the values into the formula. Here, we can use the magnitude of the charge, so we take q = 2 × 10^-6 C and d = 0.1 m.
  • Step 5: Calculate the dipole moment: p = (2 × 10^-6 C) * (0.1 m).
  • Step 6: Perform the multiplication: p = 2 × 10^-7 C m.
  • Dipole Moment – The dipole moment is a vector quantity that represents the separation of positive and negative charges in a system, calculated as the product of the charge and the distance between the charges.
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