A 90.0 mH inductor is connected in a circuit. The current through the inductor is given by the function t²-6¹. At 10 s what will be the magnitude o the induced emf?
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- An inductor consists of 100 turns of wire tightly wound about an insulating core. It is attached to a power supply and when the current through it is increased from 0 to 5 A in 3, s an induced emf of 5 V is measured. Find the inductance of this device and the magnetic flux and the energy stored in the magnetic field when the current is held steady at 5 A.A loop of wire has a self-inductance of 5.5 mH. You pass a current of 9.0 Amps though the loop, and then drop the current to 0 at a contastant rate over 3.5 seconds. What is the EMF generated?What is the self-inductance (in mH) of a solenoid 31.6 cm long having 397 turns of wire and a cross- sectional diameter of 14.7 cm? mH
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