A. V 0 = V s
B. V 0 = D V s
C. V 0 = V s / D
D. V 0 = V s / ( 1 – D )
A. 76.3 %
B. 91.6 %
C. 83.3 %
D. 90.9 %
A. PNPN device
B. A combination of diac and triac
C. A set of SCRs
D. A set if SCR,diac and triac
A. It will rotate at the same speed as that with its field winding closed
B. It will rotate at less speed as that with its field winding closed
C. It will rotate at dangerously high speed
D. None of these
A. Passive filter
B. Active filter
C. Both passive and active filters
D. None of these
A. voltage sensitive load from excessive dc power supply output voltages
B. current sensitive load from excessive dc power supply output voltages
C. voltage sensitive load from excessive ac power supply output voltages
D. current sensitive load from excessive ac power supply output voltages
A. A capacitor
B. A variable resistor
C. An inductor
D. Only (a) and (b)