Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. None of these Remains the same Increases Decreases None of these Remains the same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 0 - 0.5 V. 1 - 1.5 V. 1.5 - 2 V. 0.5 - 1 V. 0 - 0.5 V. 1 - 1.5 V. 1.5 - 2 V. 0.5 - 1 V. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J3 is in forward bias and J1, J2 in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Bilateral conduction Peak-point voltage Intrinsic stand off ratio Negative resistance Bilateral conduction Peak-point voltage Intrinsic stand off ratio Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of long period. of short duration. both (A) and (B). neither (A) nor (B). of long period. of short duration. both (A) and (B). neither (A) nor (B). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 115 ohm 11.19 ohm 111.9 ohm 108 ohm 115 ohm 11.19 ohm 111.9 ohm 108 ohm ANSWER DOWNLOAD EXAMIANS APP