Power Electronics A diac is simply ___________. A three junction device A single junction device None of these A triac without gate terminal A three junction device A single junction device None of these A triac without gate terminal ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have high thermal conductivity. large surface area. All of these. high melting point. high thermal conductivity. large surface area. All of these. high melting point. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful both B and C. to limit dV / dt of SCR. for voltage equalisation. to limit di / dt of SCR. both B and C. to limit dV / dt of SCR. for voltage equalisation. to limit di / dt of SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Thermal triggering. dV / dt triggering. Forward voltage triggering. Gate triggering. Thermal triggering. dV / dt triggering. Forward voltage triggering. Gate triggering. ANSWER DOWNLOAD EXAMIANS APP
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