Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. None of these Increases Remains the same Decreases None of these Increases Remains the same Decreases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when gate current rises from 90 % to 100 % of it final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 60 KHz. 100 KHz. 5 KHz. 10 KHz. 60 KHz. 100 KHz. 5 KHz. 10 KHz. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? Local hot spot. None of these. Breakdown of junction. Insulation failure. Local hot spot. None of these. Breakdown of junction. Insulation failure. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR in parallel. either series or parallel. anti parallel. in series. in parallel. either series or parallel. anti parallel. in series. ANSWER DOWNLOAD EXAMIANS APP
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