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A current of 50 A is established in a slab of copper, 0.5cm thick and 2cm wide. The slab is placed in a magnetic

A current of 50 A is established in a slab of copper, 0.5cm thick and 2cm wide. The slab is placed in a magnetic field of 1.5 Tesla. The magnetic field is perpendicular to the plane of the slab and the direction of the current. The free electron concentration in copper is 8.4x 1028 m3. What will be the magnitude of the Hall voltage across the width of the slab (Ans. 2.797x 107 V)

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