Question: A thin wire AC shaped as a semi-circle of diameter d = 20cm rotates with a constant angular velocity w = 100 rad/s in a

A thin wire AC shaped as a semi-circle of diameter d = 20cm rotates with a constant angular velocity w = 100 rad/s in a uniform magnetic field of induction B= 5.0 mT, with w ↑↑ B. The rotation axis passes through the end A of the wire and is perpendicular to the diameter AC. Find the value of a line integral ∫ E dr along the wire from point A to point C. Generalize the obtained result.

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