Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Saturation Negative resistance None of these Cut-off Saturation Negative resistance None of these Cut-off ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.45. 0.67. 0.27. 0.32. 0.45. 0.67. 0.27. 0.32. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ pn junctions None of these Two Four Three None of these Two Four Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 140 μs. 130 μs. 135 μs. 145 μs. 140 μs. 130 μs. 135 μs. 145 μs. 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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