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[" The magnitude of the earth's magnetic...

[" The magnitude of the earth's magnetic field at "],[" place is "B_(0)" and the angle of dip is "delta" .A horizate "],[" conductor of length "I," Iying north-south,moke "],[" eastwards with a velocity "v" .The emf indural "],[" across the rod is "],[[" (1) Zero "," (2) "B_(0)/v],[" (3) "B_(0)/v sin delta," (4) "B_(0)/v cos delta]]

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