MCQOPTIONS
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MCQOPTIONS
| 1. |
A particle of charge - q and mass m moves in a circle of radius r around an infinitely long line charge of linear charge density \[+\lambda .\]Then time period will be |
| A. | \[T=2\pi r\sqrt{\frac{m}{2k\lambda q}}\] |
| B. | \[{{T}^{2}}=\frac{4{{\pi }^{2}}m}{2k\lambda q}{{r}^{3}}\] |
| C. | \[T=\frac{1}{2\pi r}\sqrt{\frac{2k\lambda q}{m}}\] |
| D. | \[T=\frac{1}{2\pi r}\sqrt{\frac{m}{2k\lambda q}}\] |
| Answer» B. \[{{T}^{2}}=\frac{4{{\pi }^{2}}m}{2k\lambda q}{{r}^{3}}\] | |