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Hall Effect: An electromotive force developed as a result of interaction when a steady state current flows in a steady state magnetic field; the direction of the emf is at right angles to both the direction of the current and the magnetic field vector, and the magnitude of the emf is proportional to the product of current intensity, magnetic force, and sine of the angle between current direction and magnetic field vector.

Basically, three entities are at right angles to each other. Electric current flow, magnetic field, and electromotive force.

The correct answer is the "Right Hand Rule" (current flowing in the direction of the index finger produces a magnetic field in the direction of the thumb and an electromotive force in the direction of the majority of fingers).

2006-12-12 10:34:30 · answer #1 · answered by CanTexan 6 · 0 0

right hand

2006-12-12 16:54:27 · answer #2 · answered by rebel 1 · 0 0

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