A single-phase one-pulse controlled circuit has resistance and counter emf load and 400 sin 314 t as the source voltage. For a load counter emf of 200 V, the range of firing angle control is

A single-phase one-pulse controlled circuit has resistance and counter

1.	A single-phase one-pulse controlled circuit has resistance and counter emf load and 400 sin 314 t as the source voltage. For a load counter emf of 200 V, the range of firing angle control is
A.	30 to 150
B.	30 to 180
C.	60 to 120
D.	60 to 180
Answer» B. 30 to 180

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A single-phase one-pulse controlled circuit has resistance and counter emf load and 400 sin 314 t as the source voltage. For a load counter emf of 200 V, the range of firing angle control is

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