Physics · Moving Charges and Magnetism
In a certain region, a uniform electric field E⃗ and a uniform magnetic field B⃗ are perpendicular to each other. An electron enters the region perpendicular to the direction of both E⃗ and B⃗ and moves undeflected. The speed of the electron is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1|B⃗||E⃗|
- 2|E⃗||B⃗|✓
- 3|E⃗ × B⃗|
- 4E⃗ · B⃗
Correct answer
|E⃗||B⃗|
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