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Question
A boat is moving due East in a region where the earth's magnetic field is 5×10-5 T due north and horizontal . The boat carries a vertical aerial 2m long. If the speed of the boat is 1.50m/s , what will be the magnitude of the induced emf in the wire of aerial !
A boat is moving due East in a region where the earth's magnetic field is 5×10-5 T due north and horizontal . The boat carries a vertical aerial 2m long. If the speed of the boat is 1.50m/s , what will be the magnitude of the induced emf in the wire of aerial !
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Solution
E induced = B x v x l
= 5.0 x 10^-5 x 1.50 x 2
= 10.0 x 10^-5 x 1.50
= 15 x 10^-5
= 0.15 mV
E induced = B x v x l
= 5.0 x 10^-5 x 1.50 x 2
= 10.0 x 10^-5 x 1.50
= 15 x 10^-5
= 0.15 mV
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