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 UJT Transistor SCR None of these UJT Transistor SCR None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Saturation Cut-off Negative resistance None of these Saturation Cut-off Negative resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalizing circuit is used for equal division of current through each thyristor in parallel. equal division of current through each thyristor in series. equal division of voltage across each thyristor in parallel. equal division of voltage across each thyristor. equal division of current through each thyristor in parallel. equal division of current through each thyristor in series. equal division of voltage across each thyristor in parallel. equal division of voltage across each thyristor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is decreased None of these Remains the same Is increased Is decreased None of these Remains the same Is increased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor in series with each SCR. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor across the string. one resistor in series with each SCR. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor across the string. ANSWER DOWNLOAD EXAMIANS APP