Latching current for an SCR is 100 mA, a dc source of 200 V is also connected to the SCR which is supplying an R-L load. Compute the minimum width of the gate pulse required to turn on the device. Take L = 0.2 H & R = 20 ohm both in series.

Latching current for an SCR is 100 mA, a dc source of 200 V is also co

1.	Latching current for an SCR is 100 mA, a dc source of 200 V is also connected to the SCR which is supplying an R-L load. Compute the minimum width of the gate pulse required to turn on the device. Take L = 0.2 H & R = 20 ohm both in series.
A.	62.7 sec
B.	100.5 sec
C.	56.9 sec
D.	81 sec
Answer» C. 56.9 sec