Power Electronics Which semiconductor device acts like a diode and two transistor? Triac. Diac. UJT. SCR. Triac. Diac. UJT. SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 800 V/µs. 600 V/µs. 1000 V/µs. 1200 V/µs. 800 V/µs. 600 V/µs. 1000 V/µs. 1200 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Inversely proportional to supply voltage. Both A and B. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. Inversely proportional to supply voltage. Both A and B. Directly proportional to inductance in the circuit. Directly proportional to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate voltage None of these Breakover voltage Gate current Gate voltage None of these Breakover voltage Gate current ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Silver. Aluminium. Iron. Carbon. Silver. Aluminium. Iron. Carbon. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In parallel In inverse-parallel In series None of these In parallel In inverse-parallel In series None of these ANSWER DOWNLOAD EXAMIANS APP
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