The gap in the circuit seen in (Figure 1) will arc over whenever the voltage across the gap reaches 45 kV. The initial current in the inductor is zero. The value of B is adjusted so the Thévenin resistance with respect to the terminals of the inductor is -4.2 kn.

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Author:Robert L. Boylestad
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▼
The gap in the circuit seen in (Figure 1) will arc over
whenever the voltage across the gap reaches 45 kV.
The initial current in the inductor is zero. The value of B
is adjusted so the Thévenin resistance with respect to
the terminals of the inductor is -4.2 kn.
Figure
Part A
B=
1=0
Part B
40 V
5 ΚΩ
www
What is the value of B?
Express your answer using three significant figures.
t=
ig
Submit Request Answer
20 kΩ { Bio
< 1 of 1
200 mH Gap
How many microseconds after the switch has been closed will the gap arc over?
Express your answer in microseconds to three significant figures.
us
Transcribed Image Text:▼ ▼ The gap in the circuit seen in (Figure 1) will arc over whenever the voltage across the gap reaches 45 kV. The initial current in the inductor is zero. The value of B is adjusted so the Thévenin resistance with respect to the terminals of the inductor is -4.2 kn. Figure Part A B= 1=0 Part B 40 V 5 ΚΩ www What is the value of B? Express your answer using three significant figures. t= ig Submit Request Answer 20 kΩ { Bio < 1 of 1 200 mH Gap How many microseconds after the switch has been closed will the gap arc over? Express your answer in microseconds to three significant figures. us
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