A charged particle of mass m and charge q travels on a circular path of radius r that is…
Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism
A charged particle of mass m and charge q travels on a circular path of radius r that is perpendicular to a magnetic field B. The time taken by the particle to complete one revolution is
- \(\frac{2 \pi \mathrm{mq}}{\mathrm{~B}}\)
- \(\frac{2 \pi q^{2} B}{m}\)
- \(\frac{2 \pi \mathrm{qB}}{\mathrm{~m}}\)
- \(\frac{2 \pi \mathrm{~m}}{\mathrm{qB}}\)
Answer
(D) 2 ~m qB
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