Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.45. 0.32. 0.27. 0.67. 0.45. 0.32. 0.27. 0.67. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when all of these. anode current reaches 10 % from forward leakage current. anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. all of these. anode current reaches 10 % from forward leakage current. anode voltage drops from 100 % to 90 % of its actual value. gate current increases from 90 % to 100 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device metal oxide varistor. aluminium block. fast acting fuse. snubber circuit. metal oxide varistor. aluminium block. fast acting fuse. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only negative Only positive None of these Both positive and negative Only negative Only positive None of these Both positive and negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. Voltage clamping device. Snubber circuit. Heat sink. CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? It is related to turn off process of the device. Both C and D. It is related to turn on process of the device. It is related to conduction process of device. It is related to turn off process of the device. Both C and D. It is related to turn on process of the device. It is related to conduction process of device. ANSWER DOWNLOAD EXAMIANS APP
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