Power Electronics A UJT has ___________. Three pn junctions None of these One pn junction Two pn junctions Three pn junctions None of these One pn junction Two pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 150 µs. 100 µs. 200 µs. 300 µs. 150 µs. 100 µs. 200 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Not a thyristor A four-terminal device Like a bidirectional SCR None of these Not a thyristor A four-terminal device Like a bidirectional SCR None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same Is increased Is decreased None of these Remains the same Is increased Is decreased None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ semiconductor layers Three Two Four None of these Three Two Four None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is lower power circuit. may be low power or high power circuit. magnetic circuit. high power circuit. lower power circuit. may be low power or high power circuit. magnetic circuit. high power circuit. ANSWER DOWNLOAD EXAMIANS APP
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