R 1 = 0 www ll Under damped Critically damped Dver damped ne automobile ignition circuit shown, R=50. Vs-12V, L=7mH switch take en. The voltage across the air gap is

Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter32: Two-speed, One-winding (consequent Pole) Motor Controllers
Section: Chapter Questions
Problem 6SQ: Describe the operation of Figure 325 (B) by adding jumper wire A to the original circuit.
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In the crcuit below R=8002, L=0.4H, C=2.5 µF and Vs=100V. The type of the
transient is*
1= 0
ww
rele
V
O Under damped
O Critically damped
O Over damped
For the automobile ignition circuit shown, R=50, Vs-12V, L=7mH switch takes 1us
to open. The voltage across the air gap is*
R
Spark
plug
+
V,
L.
L- Air gap
14. 4kV
O 18kV
O 16 8kV
O 20 2kV
O 20KV
For the circult shown If R2/R1=25, 1/C1R1 = 26000 and 1/C2R2= 2600*
1
1
joc,
a
R1
R2
v, ()
10 ks2
Vo (o)
V, (@)-V, (@) V, (@)
6x10
jo
v, (m)-V, (@) V, (@)
20x10
20x10
5x10°
O >>
V, (@)-V, () V, (@)
10 x10
6x10
jo
O o o o
Transcribed Image Text:In the crcuit below R=8002, L=0.4H, C=2.5 µF and Vs=100V. The type of the transient is* 1= 0 ww rele V O Under damped O Critically damped O Over damped For the automobile ignition circuit shown, R=50, Vs-12V, L=7mH switch takes 1us to open. The voltage across the air gap is* R Spark plug + V, L. L- Air gap 14. 4kV O 18kV O 16 8kV O 20 2kV O 20KV For the circult shown If R2/R1=25, 1/C1R1 = 26000 and 1/C2R2= 2600* 1 1 joc, a R1 R2 v, () 10 ks2 Vo (o) V, (@)-V, (@) V, (@) 6x10 jo v, (m)-V, (@) V, (@) 20x10 20x10 5x10° O >> V, (@)-V, () V, (@) 10 x10 6x10 jo O o o o
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