Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies less than 10 Hz Frequencies above 20 kHz Frequencies above 1000 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 20 kHz Frequencies above 1000 kHz 50 Hz frequency ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Controlled switch. Amplifier with large current gain. Controlled transistor. Amplifier with higher gain. Controlled switch. Amplifier with large current gain. Controlled transistor. Amplifier with higher gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Gate triggering. Forward voltage triggering. dV / dt triggering. Thermal triggering. Gate triggering. Forward voltage triggering. dV / dt triggering. Thermal triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Negative resistance Intrinsic stand off ratio Peak-point voltage Bilateral conduction Negative resistance Intrinsic stand off ratio Peak-point voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Microwave transistor. Schottky diode. Power MOSFET. BJT. Microwave transistor. Schottky diode. Power MOSFET. BJT. ANSWER DOWNLOAD EXAMIANS APP
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