Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.002 A. 0.01 A. 0.004 A. 0.009 A. 0.002 A. 0.01 A. 0.004 A. 0.009 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. 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. 140 μs. 135 μs. 130 μs. 145 μs. 140 μs. 135 μs. 130 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. None of these High Low Extremely low None of these High Low Extremely low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch None of these Unidirectional Mechanical Bidirectional None of these Unidirectional Mechanical Bidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ None of these Is decreased Remains the same Is increased None of these Is decreased Remains the same Is increased ANSWER DOWNLOAD EXAMIANS APP
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