A coil with 200 turns is placed in a uniform ma... - SS2 Physics Electromagnetism Question
A coil with 200 turns is placed in a uniform magnetic field of 0.8 T. If the flux through the coil changes at a rate of 50 T·m2/s, what is the magnitude of the induced emf in the coil?
The magnitude of the induced emf can be calculated using Faraday's Law:
emf = -N x dΦ/dt,
where N is the number of turns in the coil, dΦ/dt is the rate of change of magnetic flux.
Given:
N = 200
dΦ/dt = 50 T .m2/s
Plugging these values into the formula:
emf = -200 x (50 T .m2/s)
emf = -10,000 V
The magnitude of the induced emf is 10,000 V. Since the emf is negative, we take the absolute value, which is 10,000 V (rounded to the nearest whole number).
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