Electrical Engineering Mcqs — Test 45
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Question 1
In a pure inductive circuit___________?
Question 2
The power factor at resonance in R-L- C parallel circuit is________?
Question 3
In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters ______?
Question 4
When an alternating current passes through an ohmic resistance the electrical power converted into heat is__________?
Question 5
A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to________?
Question 6
The product of apparent power and cosine of the phase angle between circuit voltage and current is
Question 7
An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms?
Question 8
In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will__________?
Question 9
In a pure inductive circuit if the supply frequency is reduced to 1/2, the current will__________?
Question 10
The power factor of a D.C. circuit is always__________?