A. AC switch
B. DC switch
C. Both a and B
D. Square wave switch
Electrical Engineering Mcqs
Electrical engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Multiple choice questions here are on topics such as Electrical Machines, Power Electronics, Electrical measurement & units, Utilization of Electrical Energy, Basic Electrical Engineering, Electrical Installation, Power Systems, Testing & maintenance of electrical equipment’s etc.
A. Iron
B. Aluminium
C. Carbon
D Silver
A. Use of snubber circuit.
B. Using heat sink.
C. Using CB and fuse.
D. Using equalizing circuit
A. Controlled transistor
B. Controlled switch
C. Amplifier with higher gain
D. Amplifier with large current gain
A. lower power circuit.
B. high power circuit.
C. magnetic circuit.
D. may be low power or high power circuit
A. gate signal is always present
B. gate signal must be removed
C. gate signal should present but can be removed
D. none of the above.
A. < latching current but greater than holding current and gate signal is 0.
B. less than holding current.
C. < latching current but greater than holding current and gate signal is present.
D. both (A) and (B).
A. 600 V/µs
B. 800 V/µs
C. 1200 V/µs
D. 1000 V/µs
A. High power phase control
B. High power current control
C. Low power current control
D. Low power phase control
A. Vc1 > Vc2 > Vc3 when Ig1 > Ig2 > Ig3.
B. Vc1 > Vc2 > Vc3 when Ig1 < Ig2 < Ig3.
C. Vc1 = Vc2 = Vc3 any value of Ig.
D. Vc1 > Vc2 > Vc3 when Ig1 ≥ Ig2 &Atil
