O-LevelPhysicsMagnetism5054/11 · May/June 2019 · Q371 Mark
A beam of electrons travels through a vacuum. The beam passes between the poles of a magnet as shown. What is the direction of the conventional current and what is the direction of the magnetic field?
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Adirection of conventional current: →, direction of magnetic field: ↓
Bdirection of conventional current: →, direction of magnetic field: ↑
Cdirection of conventional current: ←, direction of magnetic field: ↓
Ddirection of conventional current: ←, direction of magnetic field: ↑
✓ Correct answer
D: direction of conventional current: ←, direction of magnetic field: ↑
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