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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The gap in the circuit seen in Fig P7.86 will arc over whenever the voltage across the gap reaches 30 kV. The initial current in the inductor is zero. The value of ß is adjusted so the Thévenin resistance with respect to the terminals of the inductor is – 40 kΩ
a) What is the value of ß?
b) How many microseconds after the switch has been closed will the gap arc over?

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