To detect an over – current fault condition, the most reliable method is to connect a_____________?

A. Delay time
B. Spread time
C. Rise time
D. Same for every case

A. gate current rises from 90 % to 100 % of it final value
B. anode voltage drops from 90 % to 10 % of its initial value
C. anode current rises 10 % to 90 % of its final value
D. both B and C

A. Duty ratio only
B. Frequency only
C. Duty ratio and frequency
D. Duty ratio, frequency and time delay

A. Zero
B. Switches between – 1 / 2 and + 1 / 2
C. Switches between – 1 and + 1
D. Switches between 0 and + 1

A. Unidirectional
B. Bidirectional
C. Fixed voltage polarity
D. Only (a) and (c)

A. it can be turned OFF but not ON with a gate pulse.
B. it conducts only during one half cycle of an alternating current wave.
C. it can be turned ON but not OFF with a gate pulse.
D. it can be turned ON only during one half cycle of an AC.