Which semiconductor device acts like a diode and two transistor?
Which semiconductor device acts like a diode and two transistor?
A. UJT
B. Diac
C. Triac
D. SCR
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The conduction losses in IGBT is____________?
The conduction losses in IGBT is____________?A. More than that of MOSFET
B. Lower than that of MOSFET
C. Equal to that of MOSFET
D. Equal to that of BJTTypical range of thyristor turn OFF time is______________?
Typical range of thyristor turn OFF time is______________?A. 3 – 10 µs
B. 3 – 50 µs
C. 3 – 100 µs
D. 3 – 500 µsThe typical time of rising time lies between______________?
The typical time of rising time lies between______________?A. 10 – 20 µs
B. 40 – 60 µs
C. 1 – 4 µs
D. 90 – 100 µsWhich of the following is used in heat sink_____________?
Which of the following is used in heat sink_____________?A. Iron
B. Aluminium
C. Carbon
D SilverThe ac output voltage waveform of VSI and AC output current waveform of CSI respectively is composed of___________?
The ac output voltage waveform of VSI and AC output current waveform of CSI respectively is composed of___________?A. High dv / dt, low di / dt
B. Low dv / dt, low di / dt
C. Low dv / dt, high di / dt
D. High dv / dt, high di / dtIn a flyback converter, the inductor of the buck-boost converter has been replaced by a_____________?
In a flyback converter, the inductor of the buck-boost converter has been replaced by a_____________?A. Flyback capacitor
B. Flyback resistor
C. Flyback transformer
D. Flyback transistor