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Give some applications of Hall Effect.
Applications of Hall Effect:
1. This is used for finding whether a semi-conductor is N-type or P-type.
2. This is used in finding the carrier concentration.
3. In calculating the mobility.
4. This is used in flux meters that measure magnetic fields.
HALL EFFECT
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What is effective mass?
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(a) Some antennas have a physical aperture area A that can be identified and is related to the effective area A e by A e = ρ a A, where ρ a is known as the aperture efficiency.
Explain hall affect and derive the mathematical expression for hall coefficient, also describe its applications. Sol. Hall effect If a metal or semiconductor material carr
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