SATHEE: Electrostatics Question 710

Electrostatics Question 710

Question: Two point dipoles of dipole moment ${\vec{p}}_{1}$ and ${\vec{p}}_{2}$ are at a distance x from each other and ${\vec{p}}_{1} | | {\vec{p}}_{2} .$ The force between the dipoles is:

Options:

A) $\frac{1}{4 π ε_{0}} \frac{4 p_{1} p_{2}}{x^{4}}$

B) $\frac{1}{4 π ε_{0}} \frac{3 p_{1} p_{2}}{x^{4}}$

C) $\frac{1}{4 π ε_{0}} \frac{6 p_{1} p_{2}}{x^{4}}$

D) $\frac{1}{4 π ε_{0}} \frac{8 p_{1} p_{2}}{x^{4}}$

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Force of interaction $F = \frac{1}{4 π ε_{0}} . \frac{3 p_{1} p_{2}}{x^{4}}$

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Electrostatics Question 710

Question: Two point dipoles of dipole moment p→1 and p→2 are at a distance x from each other and p→1||p→2. The force between the dipoles is:

Options:

Answer:

Solution:

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Question: Two point dipoles of dipole moment ${\vec{p}}_{1}$ and ${\vec{p}}_{2}$ are at a distance x from each other and ${\vec{p}}_{1} | | {\vec{p}}_{2} .$ The force between the dipoles is: