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CUET

Q50. A boat is moving due east in a region where the Earth's magnetic field is 5.0 × 10⁻⁵ NA⁻¹m⁻¹ due north and horizontal. The boat carries a vertical aerial 2 m long. If the speed of the boats is 1.5 ms⁻¹, the magnitude of the induced emf is: (a) 0.50 mV (b) 0.15 mV (c) 1.00 mV (d) 0.75 mV