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Potential due to an Electric Dipole Video Lecture | Physics for JEE Main & Advanced
FAQs on Potential due to an Electric Dipole Video Lecture - Physics for JEE Main & Advanced
| 1. What is the electric dipole potential? |  |
Ans. The electric dipole potential is the electric potential at any point in space due to an electric dipole. It represents the work done on a unit positive charge to bring it from infinity to that point in the presence of an electric dipole.
| 2. How is the potential due to an electric dipole calculated? | |
Ans. The potential due to an electric dipole can be calculated using the formula V = k * p * cosθ / r^2, where V is the potential, k is the electrostatic constant, p is the magnitude of the electric dipole moment, θ is the angle between the dipole moment vector and the position vector, and r is the distance between the point and the dipole.
| 3. What is the significance of the angle θ in the potential due to an electric dipole? | |
Ans. The angle θ represents the orientation of the electric dipole moment vector with respect to the position vector of the point at which the potential is being calculated. The potential due to an electric dipole is maximum when θ = 0° (dipole moment vector and position vector are in the same direction) and minimum when θ = 180° (dipole moment vector and position vector are in opposite directions).
| 4. How does the potential due to an electric dipole vary with distance? | |
Ans. The potential due to an electric dipole varies inversely with the square of the distance from the dipole. As the distance increases, the potential decreases rapidly. This relationship is represented by the formula V ∝ 1/r^2, where V is the potential and r is the distance.
| 5. Is the potential due to an electric dipole zero at any point? | |
Ans. Yes, the potential due to an electric dipole is zero at a point on the perpendicular bisector of the dipole. This is because the contributions from the positive and negative charges of the dipole cancel each other out at this point, resulting in a net potential of zero.
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