Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only negative Both positive and negative Only positive None of these Only negative Both positive and negative Only positive None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is increased Remains the same Is decreased None of these Is increased Remains the same Is decreased 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 The normal way to turn on a diac is by ___________. Gate voltage Gate current Breakover voltage None of these Gate voltage Gate current Breakover voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 500 µs. 3 - 10 µs. 3 - 100 µs. 3 - 50 µs. 3 - 500 µs. 3 - 10 µs. 3 - 100 µs. 3 - 50 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 None of these SCR Transistor UJT None of these SCR Transistor UJT ANSWER DOWNLOAD EXAMIANS APP
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