Power Electronics A triac is a ___________ switch Unidirectional Mechanical Bidirectional None of these Unidirectional Mechanical Bidirectional None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.45. 0.67. 0.32. 0.27. 0.45. 0.67. 0.32. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device metal oxide varistor. snubber circuit. aluminium block. fast acting fuse. metal oxide varistor. snubber circuit. aluminium block. fast acting fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with higher gain. Amplifier with large current gain. Controlled transistor. Controlled switch. Amplifier with higher gain. Amplifier with large current gain. Controlled transistor. Controlled switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is high. moderate. infinity. low. high. moderate. infinity. low. 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°. 60° to 180°. 60° to 120°. 30° to 180°. 30° to 150°. 60° to 180°. 60° to 120°. 30° to 180°. ANSWER DOWNLOAD EXAMIANS APP
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