24. An inductance of L Henrys and a resistance of 20 ohms are connected in series with EMF of 120 volts. If the current is initially zero, and is equal to 3 amperes after 2 seconds, Find L and the current after 0.5 seconds. c. L N 50.71 H d. LN 57.71 H a. LN 53.71 H b. LN 54.71 H
24. An inductance of L Henrys and a resistance of 20 ohms are connected in series with EMF of 120 volts. If the current is initially zero, and is equal to 3 amperes after 2 seconds, Find L and the current after 0.5 seconds. c. L N 50.71 H d. LN 57.71 H a. LN 53.71 H b. LN 54.71 H
Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 44P: A step-up transformer is designed so that the output of its secondary winding is 2000 V(rms) when...
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