For the automobile ignition circuit shown, R=502, Vs=12V, L=7mH switch takes us to open. The voltage across the air gap is R + s ell L Spark plug LAir gap

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter7: Symmetrical Faults
Section: Chapter Questions
Problem 7.22MCQ
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For the automobile ignition circuit shown, R-502, Vs-12V, L=7mH switch takes us to open.
The voltage across the air gap is
V₂
R
ww
20.2kV
14.4kV
16.8kV
18kV
20kV
L
O 11= C*V2 - B*12
Which of these equations is correct (choose one only) ?
Spark
plug
11= A*V2 - D*12
Air gap
None of all is correct
O 11= C*V2 - D*12
Transcribed Image Text:For the automobile ignition circuit shown, R-502, Vs-12V, L=7mH switch takes us to open. The voltage across the air gap is V₂ R ww 20.2kV 14.4kV 16.8kV 18kV 20kV L O 11= C*V2 - B*12 Which of these equations is correct (choose one only) ? Spark plug 11= A*V2 - D*12 Air gap None of all is correct O 11= C*V2 - D*12
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