MHT CET 2023 Physics question
An air craft of wing span 40 m flies horizontally in earth's magnetic field T at a speed of 500 m/s. The e.m.f. generated between the tips of the wings of the air craft is
Answer: (B)
Solution
The wing tips cut the magnetic field lines as the aircraft moves, producing a motional emf , where the field is taken perpendicular to the plane of motion and the wing span (using the given value of the field as the effective
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