a coil of inductance 0.5 h is connected to a 18 V battery. calculate the rate of growth of current .
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A coil has an inductance ofand a resistance of. If the coil is suddenly connected across avolt battery, then the time required for the current to riseof its final
A current of 6 A flows in a coil when connected to a dc source of 18 V. If the same coil is connected to an ac source of 20 V, 50 rad/s, a current of 4 A flows in the circuit. The inductance of the coil is 10x mH. Find out the value of x.
A coil of reistanceand inductance 1H is connected to a battery of 10V. At, calculate (i) the current in the circuit (ii) the rate of rise of current (iii) the rate at which energy is supplied by the battery, (iv) the rate at which energy is dissipated as heat and (v) the rate at which energy is stored in the magnetic field of the coil.
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