An SCR is made up of silicon because_____________?

Related Mcqs:

A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is _____?

A. 30° to 150°. B. 30° to 180°. C. 60° to 120°. D. 60° to 180°....

The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt?

A. 600 V/µs B. 800 V/µs C. 1200 V/µs D. 1000 V/µs...

An ideal switch is___________?

A. Lossless B. Carry current in any direction when it is on C. Does not carry any current in any direction when it is off D. All of these...

For a buck converter to reduce the conduction losses in diode

A. A high on – resistance switch can be added in parallel B. A low on – resistance switch can be added in parallel C. A high on – resistance switch can be added in series D. A low on – resistance switch can be added in series...

For commutation in three phase PAC, normally balanced three phase voltages VR, VY and VB are connected to the three legs of the converter via______________?

A. Three inductances B. Three capacitances C. Three resistance D. Three transistors...