A PNPN device having two gates is ___________?
A PNPN device having two gates is ___________?
A. Diac
B. Triac
C. SUS
D. BCS
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What is the advantage of HRC fuses over Rewirable fuses?
What is the advantage of HRC fuses over Rewirable fuses?A. High speed operation
B. High rupturing capacity
C. No ageing effect
D. All of the aboveRise time is defined by the interval when____________?
Rise time is defined by the interval when____________?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 CThe switching function of semiconductor devices can be characterized with___________?
The switching function of semiconductor devices can be characterized with___________?A. Duty ratio only
B. Frequency only
C. Duty ratio and frequency
D. Duty ratio, frequency and time delayThe maximum firing angle in the half wave controlled regulator is_____________?
The maximum firing angle in the half wave controlled regulator is_____________?A. 180 degree
B. 190 degree
C. 200 degree
D. 210 degreeA step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is_____?
A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is_____?A. 0.32
B. 0.67
C. 0.45
D. 0.27If energy is taken from the AC side of the inverter and sends it back into the DC side, then it is known as___________?
If energy is taken from the AC side of the inverter and sends it back into the DC side, then it is known as___________?A. Motoring mode operation
B. Braking mode operation
C. Regenerative mode operation
D. None of these