Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of resistors of the same value across each SCR. one resistor in series with each SCR. resistors of different values across each SCR. one resistor across the string. resistors of the same value across each SCR. one resistor in series with each SCR. resistors of different values across each SCR. one resistor across the string. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when both B and C. gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. both B and C. gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Anyone of these. Unwanted turn ON. Both A and B. Breakdown of J2 junction. Anyone of these. Unwanted turn ON. Both A and B. Breakdown of J2 junction. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Three pn junctions Two pn junctions None of these One pn junction Three pn junctions Two pn junctions None of these One pn junction ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful for voltage equalisation. to limit dV / dt of SCR. to limit di / dt of SCR. both B and C. for voltage equalisation. to limit dV / dt of SCR. to limit di / dt of SCR. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high thermal conductivity. large surface area. high melting point. All of these. high thermal conductivity. large surface area. high melting point. ANSWER DOWNLOAD EXAMIANS APP
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