The maximum firing angle in the half wave controlled regulator is_____________?

A. 5 KHz
B. 10 KHz
C. 60 KHz
D. 100 KHz

A. Across anode
B. In series with anode
C. Across cathode
D. In series with cathode

A. 61%
B. 71%
C. 81%
D. 91%

A. Single phase
B. 3 phase
C. Poly phase
D. Only (b) and (c)

A. Breakdown of junction
B. Local hot spot
C. Insulation failure
D. None of these

A. 130 μs
B. 135 μs
C. 140 μs
D. 145 μs