We have a circular loop of radius equal to 240 mm through which a current of 7.8 A passes. This is immersed in a medium

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We have a circular loop of radius equal to 240 mm through whicha current of 7.8 A passes. This is immersed in a medium that has arelative permeability of 2.0. Determine the magnitude of thecurrent-induced magnetic field at the center of the loop.Determine the strength of the magnetic field generated by ahorizontal wire through which a current of 6 A passes, at adistance of 4 cm from the center of the cable.In a coil that has a diameter of 8 cm and 50 turns it is placedin a magnetic field that has a strength of 1.8 T. If the magneticfield is reduced to 0.6 T in a time of 2 ms. Determine which is theinduced emf. We have a transformer in which the primary coil has 100 turnsand the secondary 400 turns. If the input voltage is 120 V.Determine the output voltage.