Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.67. 0.45. 0.32. 0.27. 0.67. 0.45. 0.32. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability TRIACs. Semi conductor diodes. Thyristor. MOSFETs. TRIACs. Semi conductor diodes. Thyristor. MOSFETs. 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 60° to 180°. 30° to 180°. 60° to 120°. 30° to 150°. 60° to 180°. 30° to 180°. 60° to 120°. 30° to 150°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ semiconductor layers Four Three Two None of these Four Three Two None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Snubber circuit. Fuse. Inductor. Voltage clamping device. Snubber circuit. Fuse. Inductor. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS