The expression for the thyristor (chopper switch) current is given byI – McqOptions

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1.	The expression for the thyristor (chopper switch) current is given byI = (α2.Vs - αE)/RFind the value of firing angle α, for which the thyristor current is maximum.
A.	2Vs/π
B.	180°
C.	E/2Vs
D.	Vs/R
Answer» D. Vs/R

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