Power Electronics The triac is ___________. None of these A four-terminal device Like a bidirectional SCR Not a thyristor None of these A four-terminal device Like a bidirectional SCR Not a thyristor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.002 A. 0.009 A. 0.004 A. 0.01 A. 0.002 A. 0.009 A. 0.004 A. 0.01 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Thermal triggering. dV / dt triggering. Gate triggering. Forward voltage triggering. Thermal triggering. dV / dt triggering. Gate triggering. Forward voltage triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. None of these Extremely low Low High None of these Extremely low Low High ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of high value. low value. moderate value. zero value. high value. low value. moderate value. zero value. 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 if inductance is removed. Turn on. Not turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Turn on. Not turn on. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP