Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 100 µs. 200 µs. 300 µs. 150 µs. 100 µs. 200 µs. 300 µs. 150 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. More than Equal to Less than None of these More than Equal to Less than 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 The typical time of rising time lies between 90 - 100 µs. 40 - 60 µs. 10 - 20 µs. 1 - 4 µs. 90 - 100 µs. 40 - 60 µs. 10 - 20 µs. 1 - 4 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Schottky diode. Microwave transistor. BJT. Power MOSFET. Schottky diode. Microwave transistor. BJT. Power MOSFET. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during rise time. all. delay time. spread time. rise time. all. delay time. spread time. ANSWER DOWNLOAD EXAMIANS APP
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