Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.009 A. 0.01 A. 0.002 A. 0.004 A. 0.009 A. 0.01 A. 0.002 A. 0.004 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. High Extremely low None of these Low High Extremely low None of these Low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful 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. both B and C. to limit dV / dt of SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 83.3 %. 76.3 %. 90.9 %. 91.6 %. 83.3 %. 76.3 %. 90.9 %. 91.6 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch None of these A d.c. An c. A mechanical None of these A d.c. An c. A mechanical ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is moderate. high. infinity. low. moderate. high. infinity. low. ANSWER DOWNLOAD EXAMIANS APP
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