Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Both positive and negative None of these Only negative Only positive Both positive and negative None of these Only negative Only positive ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Voltage clamping device. Fuse. Inductor. Snubber circuit. Voltage clamping device. Fuse. Inductor. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Unwanted turn ON. Both A and B. Breakdown of J2 junction. Anyone of these. Unwanted turn ON. Both A and B. Breakdown of J2 junction. Anyone of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Inversely proportional to supply voltage. Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. Inversely proportional to supply voltage. Directly proportional to supply voltage. Directly proportional to inductance in the circuit. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. None of these Remains the same Decreases Increases None of these Remains the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS