Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. High Extremely low Low None of these High Extremely low Low None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Single-base High resistance Low resistance Double-base Single-base High resistance Low resistance Double-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet high current demand. high voltage demand. low voltage demand. low current demand. high current demand. high voltage demand. low voltage demand. low current demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Iron. Silver. Carbon. Aluminium. Iron. Silver. Carbon. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is < latching current but greater than holding current and gate signal is present. less than holding current. both (A) and (B). < latching current but greater than holding current and gate signal is 0. < latching current but greater than holding current and gate signal is present. less than holding current. both (A) and (B). < latching current but greater than holding current and gate signal is 0. 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 80. 90. 70. 60. 80. 90. 70. 60. ANSWER DOWNLOAD EXAMIANS APP