A single-phase ac voltage controller (or regulator) fed from 50 Hz system supplies a load having resistance and inductance of 2 0 and 6 36 mH respectively. The control range of firing angle for this regulator is

A single-phase ac voltage controller (or regulator) fed from 50 Hz sys

1.	A single-phase ac voltage controller (or regulator) fed from 50 Hz system supplies a load having resistance and inductance of 2 0 and 6 36 mH respectively. The control range of firing angle for this regulator is
A.	0 < < 180
B.	45 < < 180
C.	90 < < 180
D.	0 < < 45
Answer» C. 90 < < 180

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A single-phase ac voltage controller (or regulator) fed from 50 Hz system supplies a load having resistance and inductance of 2 0 and 6 36 mH respectively. The control range of firing angle for this regulator is

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