Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 1000 kHz 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 ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. High Extremely low None of these Low High Extremely low None of these Low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of high value. moderate value. zero value. low value. high value. moderate value. zero value. low value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Both a and B. Square wave switch. AC switch. DC switch. Both a and B. Square wave switch. AC switch. DC switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A triac without gate terminal A single junction device None of these A three junction device A triac without gate terminal A single junction device None of these A three junction device ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Power MOSFET. BJT. Microwave transistor. Schottky diode. Power MOSFET. BJT. Microwave transistor. Schottky diode. ANSWER DOWNLOAD EXAMIANS APP
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