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The potential due to a dipole at a point P from it is the
  • a)
    Sum of potentials at the charges
  • b)
    Difference of potentials at the charges
  • c)
    Multiplication of potentials at the charges
  • d)
    Ratio of potentials at the charges
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
The potential due to a dipole at a point P from it is thea)Sum of pote...
Answer: b
Explanation: The total potential at the point P due to the dipole is given by the difference of the potentials of the individual charges.
V = V1 + (-V2), since both the charges are unlike. Thus V = V1 – V2.
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Most Upvoted Answer
The potential due to a dipole at a point P from it is thea)Sum of pote...
Explanation:
When a dipole is present at a point P, there are two charges of opposite signs at a distance d from each other. The potential at a point P due to a dipole can be calculated using the principle of superposition.

Principle of Superposition:
The principle of superposition states that the potential due to a system of charges is the algebraic sum of the potentials due to individual charges.

Calculation of Potential due to a Dipole:
The potential due to a dipole at a point P can be calculated as follows:

1. The potential at P due to the positive charge q is given by Vp+ = kq/r+
2. The potential at P due to the negative charge -q is given by Vp- = -kq/r-
3. The potential difference between the two charges of the dipole is Vd = Vp+ - Vp-
4. The potential at point P due to the dipole is given by Vp = Vp+ + Vp- = kq/r+ - kq/r- = kqd(cosθ/r3)
5. Here, θ is the angle between the dipole moment vector and the line joining the point P and the center of the dipole.

Conclusion:
Thus, it can be seen that the potential due to a dipole at a point P is the difference of potentials at the charges of the dipole. Hence, option B is the correct answer.
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The potential due to a dipole at a point P from it is thea)Sum of potentials at the chargesb)Difference of potentials at the chargesc)Multiplication of potentials at the chargesd)Ratio of potentials at the chargesCorrect answer is option 'B'. Can you explain this answer?
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