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 SCR None of these UJT Transistor SCR None of these UJT Transistor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. Am amplifier A rectifier A sawtooth generator None of these Am amplifier A rectifier A sawtooth generator None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device BJT. TRIAC. SIT. IGBT. BJT. TRIAC. SIT. IGBT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 90. 60. 80. 70. 90. 60. 80. 70. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. low value. zero value. high value. moderate value. low value. zero value. high value. ANSWER DOWNLOAD EXAMIANS APP