Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same None of these Is increased Is decreased Remains the same None of these Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Saturation Cut-off Negative resistance None of these Saturation Cut-off Negative resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is moderate. infinity. low. high. moderate. infinity. low. high. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it conducts only during one half cycle of an alternating current wave. it can be turned ON but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is may be low power or high power circuit. lower power circuit. magnetic circuit. high power circuit. may be low power or high power circuit. lower power circuit. magnetic circuit. high power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? Both C and D. It is related to turn on process of the device. It is related to turn off process of the device. It is related to conduction process of device. Both C and D. It is related to turn on process of the device. It is related to turn off process of the device. It is related to conduction process of device. ANSWER DOWNLOAD EXAMIANS APP
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