Complex AC MCQs
Practice free Complex AC multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 216 questions — no login required.
Question 118easy
The quality factor of R-L-C circuit will increase if
Question 119easy
The phasors for which of the following pair are 180? out of phase for V1, Vc and VR?
Question 120easy
If impedance Z1 = 30L30? and Z2 = 15L15?, what will be the value of Z x Z 9
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Question 121easy
In the question what will be the value of Z1/Z2?
Question 122easy
Which of the following values of an alternating current is indicated by a normal universal measuring instrument?
Question 123easy
An alternating voltage is given in volts by expression V = 326 sin 314 t. Its r.m.s. value and frequency are
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Question 124easy
According to which of the alternating current values in the cross-sectional area of conductor with regard to the heating effect is selected?
Question 125easy
In an A.C. circuit, the voltage and current are represented by V = Vmax sin 0, and 1= IMAX sin (0 + a) The power factor of is
Question 126easy
The equation of 50 Hz current sine wave having r.m.s. value of 60 A is