121. The triac is …………….
122. The UJT may be used as ……………….
123. The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ………………. in its first quadrant
124. To turn on UJT, the forward bias on the emitter diode should be …………… the peak point voltage
125. TRIAC is a semiconductor power electronic device which contains
126. Under harmonic free load voltages, the 3 phase VSI
127. Unipolar modulation is generally used in
128. Very large values of modulation index (greater than 3.24 lead to)
129. Voltage commutation circuit can be converted into a current commutation by interchanging the positions of
130. When a UJT is turned ON, the resistance between emitter terminal and lower base terminal …………….
MCQ Multiple Choice Questions and Answers on Power Electronics
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Power Electronics Question and Answer
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