Power Electronics Which of following devices has highest di/dt and dv/dt capability? GTO. SITH. SCR. SIT. GTO. SITH. SCR. SIT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using heat sink. voltage clamping device. snubber circuit. fuse. heat sink. voltage clamping device. snubber circuit. fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have high melting point. large surface area. All of these. high thermal conductivity. high melting point. large surface area. All of these. high thermal conductivity. 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 Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of GTO should be of order 2 A. 1 A. 500 mA. 100 mA. 2 A. 1 A. 500 mA. 100 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Increases None of these Remains the same Decreases Increases None of these Remains the same Decreases ANSWER DOWNLOAD EXAMIANS APP
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