Power Electronics A diac is turned on by ___________. Gate voltage None of these Gate current A breakover voltage Gate voltage None of these Gate current A breakover voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Two pn junctions None of these One pn junction Three pn junctions Two pn junctions None of these One pn junction Three pn junctions 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 The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 130 μs. 140 μs. 145 μs. 135 μs. 130 μs. 140 μs. 145 μs. 135 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During gate recovery time charge carriers of J3 junction is removed. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carriers of J2 junction is swept out. charge carrier of J1 junction removed. charge carriers of J2 junction recombined. ANSWER DOWNLOAD EXAMIANS APP
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