Power Electronics Under over voltage condition impedance offered by the voltage clamping device is infinity. moderate. high. low. infinity. moderate. high. low. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Both positive and negative Only positive Only negative None of these Both positive and negative Only positive Only negative None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is 65. 60. 37.14. 3.714. 65. 60. 37.14. 3.714. 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 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. Turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A modern power semiconductor device that combines the characteristic of BJT and MOSFET is FCT. GTO. IGBT. MCT. FCT. GTO. IGBT. MCT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. large surface area. high melting point. high thermal conductivity. All of these. large surface area. high melting point. high thermal conductivity. ANSWER DOWNLOAD EXAMIANS APP
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