Problems on SCR / III ECE / M1 / S8

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[susanchesuro]

Thanks Madam. About qtn 4 when we are finding the voltage across the he unknown R I thought we should find the theviens voltage, because their will be voltage division. Thanks

[girishsuraskar]

in problem no4 why you skip voltage drop across scr

[amitnaik]

Hello ma’am can u elaborate how u got 20 in the first problem ma’am ?