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. 135 μs. 130 μs. 145 μs. 140 μs. 135 μs. 130 μs. 145 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Schottky diode. BJT. Microwave transistor. Power MOSFET. Schottky diode. BJT. Microwave transistor. Power MOSFET. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 60. 90. 70. 80. 60. 90. 70. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Three Five Two Four Three Five Two Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. None of these Negative resistance Saturation Cut-off None of these Negative resistance Saturation Cut-off ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. None of these A triac without gate terminal A single junction device A three junction device None of these A triac without gate terminal A single junction device A three junction device ANSWER DOWNLOAD EXAMIANS APP
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