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 In a UJT, the p-type emitter is ___________ doped Heavily None of these Moderately Lightly Heavily None of these Moderately Lightly ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? All of these. To minimize the charging current. To minimize the loss . To minimize the discharging current. All of these. To minimize the charging current. To minimize the loss . To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. None of these A four-terminal device Like a bidirectional SCR Not a thyristor None of these A four-terminal device Like a bidirectional SCR Not a thyristor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A modern power semiconductor device that combines the characteristic of BJT and MOSFET is MCT. IGBT. FCT. GTO. MCT. IGBT. FCT. GTO. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 76.3 %. 91.6 %. 83.3 %. 90.9 %. 76.3 %. 91.6 %. 83.3 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
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