Power Electronics A diac is turned on by ___________. Gate voltage A breakover voltage Gate current None of these Gate voltage A breakover voltage Gate current None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Peak-point voltage Negative resistance Intrinsic stand off ratio Bilateral conduction Peak-point voltage Negative resistance Intrinsic stand off ratio Bilateral conduction ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch None of these An c. A d.c. A mechanical None of these An c. A d.c. A mechanical ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is decreased None of these Is increased Remains the same Is decreased None of these Is increased Remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in reverse blocking mode. forward blocking mode. both forward and reverse blocking mode. forward conduction mode. reverse blocking mode. forward blocking mode. both forward and reverse blocking mode. forward conduction mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
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