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1. |
Electric potential at an equatorial point of a small dipole with dipole moment \[P\](r, distance from the dipole) is [MP PMT 2001] |
A. | Zero |
B. | \[\frac{P}{4\pi {{\varepsilon }_{0}}{{r}^{2}}}\] |
C. | \[2.5\times {{10}^{5}}\] |
D. | \[\frac{2P}{4\pi {{\varepsilon }_{0}}{{r}^{3}}}\] |
Answer» B. \[\frac{P}{4\pi {{\varepsilon }_{0}}{{r}^{2}}}\] | |