An ideal diode is___________?
An ideal diode is___________?
A. Unidirectional
B. Bidirectional
C. Fixed voltage polarity
D. Only (a) and (c)
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The 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 delayFor power output higher than 15 kW, the suitable rectifier is________________?
For power output higher than 15 kW, the suitable rectifier is________________?A. Single phase
B. 3 phase
C. Poly phase
D. Only (b) and (c)Bidirectional semiconductor device is___________?
Bidirectional semiconductor device is___________?A. Diode
B. BJT
C. SCR
D. TRIACA rectifier with an external low pass filter is an example of______________?
A rectifier with an external low pass filter is an example of______________?A. Indirect switch matrix circuits
B. Direct switch matrix circuits
C. Embedded converters
D. All of theseRise 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 CIn ac – dc conversion, when the switch is closed then the sum of voltages around the loop is____________?
In ac – dc conversion, when the switch is closed then the sum of voltages around the loop is____________?A. Zero
B. Non zero
C. Equal to the sum of voltage when switch is open
D. Twice of the voltage when switch is open