Physics · Magnetic Effects of Current
An electron (mass m, charge e) is accelerated through a potential difference of V and then enters a uniform magnetic field of induction B perpendicular to its velocity. The radius of the circular path described by the electron is:
- 1√2Vm / e2B
- 2√2Vm / eB
- 3√2Vm / eB2✓
- 4√2eV / m
Correct answer
√2Vm / eB2
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