Power Electronics - Study Mode
[#106] How is the GTO turned off?
Correct Answer
(B) By applying reverse gate pulse
[#107] A power diode has lightly doped n type substrate sandwiched between heavily doped p and n regions
Correct Answer
(D) to improve transient behaviour of the diode
[#108] An SCR has an anode supply of sine voltage 200 V r.m.s , 50 Hz applied through a 100 Ω resistor and fired at an angle of 60°. Assuming no voltage drop, the r.m.s. value of the output voltage is nearly
Correct Answer
(B) 126 V
[#109] In the forward blocking region of a silicon controlled rectifier, the SCR is
Correct Answer
(A) In the off-state
[#110] An SCR is sometimes called . . . . . . . .
Correct Answer
(D) Thyristor