APFIVE Hall Effect And Magnetic Field Orientation
In the Hall effect, what condition is necessary for the external magnetic field to create a potential difference across a conductor?
A
The magnetic field must be parallel to the current flow in the conductor
B
The magnetic field must be at a 45-degree angle to the current flow in the conductor
C
The magnetic field must have a component perpendicular to the current flow in the conductor
D
The magnetic field must be time-varying to induce the Hall voltage
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