Power Electronics The latching current of SCR is 20 mA. Its holding current will be 23 mA. 10 mA. 60 mA. 40 mA. 23 mA. 10 mA. 60 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Heat sink. Snubber circuit. Voltage clamping device. CB and fuse. Heat sink. Snubber circuit. Voltage clamping device. CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? All of these. To minimize the discharging current. To minimize the charging current. To minimize the loss . All of these. To minimize the discharging current. To minimize the charging current. To minimize the loss . ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 90 - 100 µs. 1 - 4 µs. 10 - 20 µs. 40 - 60 µs. 90 - 100 µs. 1 - 4 µs. 10 - 20 µs. 40 - 60 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant Transistor UJT SCR None of these Transistor UJT SCR None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device SIT. IGBT. BJT. TRIAC. SIT. IGBT. BJT. TRIAC. ANSWER DOWNLOAD EXAMIANS APP
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