Physics · Moving Charges and Magnetism
If a beam of electrons travels undeviated in mutually perpendicular uniform magnetic and electric fields of intensity 2 × 10-3 T and 1.0 × 104 V/m respectively, the velocity of the electrons will be:
- 16.3 × 103 m/s
- 25 × 106 m/s✓
- 33 × 104 m/s
- 42 × 1010 m/s
Correct answer
5 × 106 m/s
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