Power Electronics Which of following devices has highest di/dt and dv/dt capability? GTO. SIT. SITH. SCR. GTO. SIT. SITH. SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During reverse recovery time charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J3 is swept out. both B and C. charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. charge carrier of junction J3 is swept out. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of electrons only. Both electron and holes. either electron or holes. holes only. electrons only. Both electron and holes. either electron or holes. holes only. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful 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. for voltage equalisation. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high melting point. high thermal conductivity. large surface area. All of these. high melting point. high thermal conductivity. large surface area. ANSWER DOWNLOAD EXAMIANS APP
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