Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 10 KV. 6 KV. 8 KV. 2 KV. 10 KV. 6 KV. 8 KV. 2 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Power MOSFET. Schottky diode. Microwave transistor. BJT. Power MOSFET. Schottky diode. Microwave transistor. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in series connection. anti parallel connection. both B and C. parallel connection. series connection. anti parallel connection. both B and C. parallel connection. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR in parallel. either series or parallel. in series. anti parallel. in parallel. either series or parallel. in series. anti parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode current reaches 10 % from forward leakage current. all of these. gate current increases from 90 % to 100 % of its final value. anode voltage drops from 100 % to 90 % of its actual value. anode current reaches 10 % from forward leakage current. all of these. gate current increases from 90 % to 100 % of its final value. anode voltage drops from 100 % to 90 % of its actual value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Snubber circuit. Fast acting current limiting device (FACL fuse). Voltage clamping device. CB. Snubber circuit. Fast acting current limiting device (FACL fuse). Voltage clamping device. CB. ANSWER DOWNLOAD EXAMIANS APP
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