Power Electronics Which of the following is used in SCR to protect from high dV / dt? Circuit breaker. Fuse. Snubber circuit. Equalizing circuit. Circuit breaker. Fuse. Snubber circuit. Equalizing circuit. 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 ? 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device metal oxide varistor. snubber circuit. fast acting fuse. aluminium block. metal oxide varistor. snubber circuit. fast acting fuse. aluminium block. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same None of these Is decreased Is increased Remains the same None of these Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. High Extremely low Low None of these High Extremely low Low None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch None of these Unidirectional Bidirectional Mechanical None of these Unidirectional Bidirectional Mechanical ANSWER DOWNLOAD EXAMIANS APP
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