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 Which of the following is disadvantage of fast recovery diodes? Doping is carried out. Recovery is only 5 µs. Recovery is only 50 µs. None of these. Doping is carried out. Recovery is only 5 µs. Recovery is only 50 µs. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In inverse-parallel In parallel In series None of these In inverse-parallel In parallel In series None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high thermal conductivity. high melting point. large surface area. All of these. high thermal conductivity. high melting point. large surface area. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. Gate current Gate voltage A breakover voltage None of these Gate current Gate voltage A breakover voltage None of these ANSWER DOWNLOAD EXAMIANS APP
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