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Q54. An electron describes a circular orbit of radius 2 cm in a uniform magnetic field. If the speed of the electron is doubled then the radius of the orbit will be:

Physics — Magnetism and Electromagnetic Induction Past Paper — Question 54 of 591

A. 0.5 cm
B. 1 cm
C. 2 cm
D. 4 cm

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An electron describes a circular orbit of radius 2 cm i... | Physics MCQ #54 | Examora | Examora