- (A) Root mean square value of voltage and current to its peak value
- (B) Root mean square value of voltage and current to its average value
- (C) Average value of current and voltage to its root mean square value
- (D) Peak value of current and voltage to its root mean square value
Electrical Engineering Mcqs
- (A) By applying a gate pulse and turned off only when current becomes zero
- (B) And turned off by applying gate pulse
- (C) By applying a gate pulse and turned off by removing the gate pulse
- (D) By making current non zero and turned off by making current zero
- (A) Electric traction
- (B) Electric vehicles
- (C) Machine tools
- (D) All of these
- (A) Equal to the average power supplied by the dc source
- (B) Greater than the average power supplied by the dc source
- (C) Lesser than the average power supplied by the dc source
- (D) Equal to the average power supplied by the ac source
- (A) Lighting and heating control
- (B) On – line transformer tap changing
- (C) Soft starting
- (D) All of these
- (A) A capacitor
- (B) A variable resistor
- (C) An inductor
- (D) Only (a) and (b)
- (A) Square
- (B) Sinusoidal
- (C) Triangular
- (D) Saw – tooth
- (A) Positive voltage at the gate terminal
- (B) Negative voltage at the gate terminal
- (C) Either (a) or (b)
- (D) None of these
- (A) DIAC conducts in forward direction and TRIAC conducts in reverse direction
- (B) Both conducts in forward direction
- (C) Both conducts in reverse direction
- (D) Both conducts in either direction
- (A) Current transformer
- (B) Potential transformer
- (C) Power transformer
- (D) SCR
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