1000+ Electric Circuits MCQ Questions and Answers Pdf - 1
Question: 1
When power factor angle is varying, the shape of the current locus is
(A) straight line
(B) triangle
(C) circle
(D) semicircle
Ans: C
circle
Question: 2
The minimum requirements for causing flow of current are
(A) a power source and a bulb
(B) a voltage source and a conductor
(C) a voltage source, a conductor, an ammeter and a switch
(D) a voltage source, a resistor and a switch
Ans: B
a voltage source and a conductor
Question: 3
Which of the following is an active element of a circuit?
(A) ideal current source
(B) capacitance
(C) inductance
(D) resistance
Ans: A
ideal current source
Question: 4
Superposition theorem requires as many circuits to be solved as there are
(A) loops
(B) nodes
(C) sources
(D) none of the above
Ans: C
sources
Question: 5
Superposition theorem is applicable only to network that are
(A) passive
(B) linear
(C) non linear
(D) time invariant
Ans: B
linear
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