A 123-turn circular coil of radius 2.35 cm is immersed in a uniform magnetic field that...
A 123-turn circular coil of radius 2.35 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. During 0.197 s the magnetic field strength increases from 53.5 mT to 95.7 mT. Find the magnitude of the average EMF, in millivolts, that is induced in the coil during this time interval.
Homework Answers
emf induced = -turns*area * rate of change of magnetic feild
= -123*3.142*0.02352*(95.7 - 53.5)x10-3/0.197
= -45.7 mV
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