Power Electronics Thyristor is nothing but a Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. Controlled switch. Controlled transistor. Amplifier with higher gain. Amplifier with large current gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Voltage clamping device. Heat sink. Snubber circuit. CB and fuse. Voltage clamping device. Heat sink. Snubber circuit. CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ semiconductor layers Four Three None of these Two Four Three None of these Two ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A modern power semiconductor device that combines the characteristic of BJT and MOSFET is GTO. FCT. IGBT. MCT. GTO. FCT. IGBT. MCT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Cut-off None of these Saturation Negative resistance Cut-off None of these Saturation Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 60. 70. 80. 90. 60. 70. 80. 90. ANSWER DOWNLOAD EXAMIANS APP