Average induced emf:
Area, A = π(d/2)2
Initial magnetic flux:
Φi = 1.789 × 10-3 T•m2
An emf is induced by rotating a 1527 turn, 20.0 cm diameter coil in the Earth's 3.73 10-5 T magnetic field. What average emf is induced, given the plane of the coil is originally perpendicular to the Earth's field and is rotated to be parallel to the field in 10.0 ms?
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