Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Low None of these Extremely low High Low None of these Extremely low High ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Triac Transistor UJT Diac Triac Transistor UJT Diac ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant SCR None of these UJT Transistor SCR None of these UJT Transistor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? None of these. Breakdown of junction. Insulation failure. Local hot spot. None of these. Breakdown of junction. Insulation failure. Local hot spot. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 145 μs. 130 μs. 135 μs. 140 μs. 145 μs. 130 μs. 135 μs. 140 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. low value. zero value. high value. moderate value. low value. zero value. high value. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS