The 240 V, source in the circuit in Fig. P7.20 is inadvertently short-circuited at its
Chapter 7, Problem 7.20(choose chapter or problem)
The 240 V, source in the circuit in Fig. P7.20 is inadvertently short-circuited at its terminals a, b. At the time the fault occurs, the circuit has been in operation for a long time. a) What is the initial value of the current in the short-circuit connection between terminals a, b? b) What is the final value of the current ? c) How many microseconds after the short circuit has occurred is the current in the short equal to 114 A?
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