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find the energy in the magnetic field if current of 5A produces a magnetic flux of 2*10^-3 Wb through a coil 500 turns.
Asked by jmorakhia | 26 Apr, 2019, 10:53: PM
Expert Answer
Energy = (1/2) L i2
inductance L isdefined as, L = n Φ / i , where n is number of turns, Φ is flux and i is current in the coil.
hence energy = (1/2) n Φ i = (1/2)×500×2×10-3 × 5 = 2.5 J
Answered by Thiyagarajan K | 27 Apr, 2019, 02:26: PM
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