Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 20 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 1000 kHz Frequencies above 20 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? IGBTs. COOLMOS. SITS. TRIAC. IGBTs. COOLMOS. SITS. TRIAC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during spread time. all. delay time. rise time. spread time. all. delay time. rise time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A d.c. A mechanical An c. None of these A d.c. A mechanical An c. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet high voltage demand. high current demand. low voltage demand. low current demand. high voltage demand. high current demand. low voltage demand. low current demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3.1 µs 3 µs. 3.3 µs 3.2 µs 3.1 µs 3 µs. 3.3 µs 3.2 µs ANSWER DOWNLOAD EXAMIANS APP
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