A magnetic B field of strength 4 T is perpendicular to a conducting loop of wire measuring 0.4 square meters with 50 turns. If the B field is linearly reduced to zero in 2 s, then what is the magnitude of the induced emf voltage? (in units of V)
Magnetic flux,
where B is the magnetic field,A is the area of the loop and N is the number of turns.
Here,
Initial magnetic field,
Area of the loop = 0.4
number of turns, N = 50
Final magnetic field,
Time , t = 2s
Now,
Initial magnetic flux,
Final magnetic flux,
Induced voltage =
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