Physics · Moving Charges and Magnetism
A charged particle, after being accelerated through a potential difference V, enters a uniform magnetic field perpendicularly and moves in a circle of radius r. If the accelerating potential V is doubled, the radius of the circle will become:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1r√2
- 24r
- 3√2r✓
- 42r
Correct answer
√2r
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