A circular coil (830 turns, radius = 0.048 m) is rotating in a uniform magnetic field. At t = 0s, the normal to the coil is perpendicular to the magnetic field. At t = 0.021 s, the normal makes an angle of 45° with the field because the coil has made one-eighth of a revolution. An average emf of magnitude 0.081 V is induced in the coil. Find the magnitude of the magnetic field at the location of the coil. Number i Units

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A circular coil (830 turns, radius = 0.048 m) is rotating in a uniform magnetic field. At t=0 s, the normal to the coil is perpendicular to
the magnetic field. At t = 0.021 s, the normal makes an angle of 45° with the field because the coil has made one-eighth of a revolution.
An average emf of magnitude 0.081 V is induced in the coil. Find the magnitude of the magnetic field at the location of the coil.
Number
Units
Transcribed Image Text:A circular coil (830 turns, radius = 0.048 m) is rotating in a uniform magnetic field. At t=0 s, the normal to the coil is perpendicular to the magnetic field. At t = 0.021 s, the normal makes an angle of 45° with the field because the coil has made one-eighth of a revolution. An average emf of magnitude 0.081 V is induced in the coil. Find the magnitude of the magnetic field at the location of the coil. Number Units
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