Power Electronics In a UJT, the p-type emitter is ___________ doped None of these Heavily Moderately Lightly None of these Heavily Moderately Lightly ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.2 µs 3.1 µs 3.3 µs 3 µs. 3.2 µs 3.1 µs 3.3 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. both (A) and (B). anode current rises from 10 % to 90 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalizing circuit is used for equal division of current through each thyristor in parallel. equal division of voltage across each thyristor in parallel. equal division of current through each thyristor in series. equal division of voltage across each thyristor. equal division of current through each thyristor in parallel. equal division of voltage across each thyristor in parallel. equal division of current through each thyristor in series. equal division of voltage across each thyristor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor None of these gate signal must be removed. gate signal is always present. gate signal should present but can be removed. None of these gate signal must be removed. gate signal is always present. gate signal should present but can be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Semi conductor diodes. Thyristor. TRIACs. MOSFETs. Semi conductor diodes. Thyristor. TRIACs. MOSFETs. ANSWER DOWNLOAD EXAMIANS APP