# DC Basics & Networks Circuits MCQ Questions and Answers - 1

Question: 1

In any network of linear impedances, the current flowing at any point is equal to the algebraic sum of the currents caused to flow at that point by each of the sources of emf taken separately with all other emfs reduced to zero. The statement represents

(A) Superposition theorem

(B) Thevenin's theorem

(C) Norton's theorem

(D) Kirchhoff's law

Ans: A

Superposition theorem

Question: 2

In a network containing active components, output voltage

(A) will be less than, equal to or greater than input voltage

(B) can be less than or greater than input voltage only

(C) will always be equal to the input voltage

(D) will always be greater than input voltage

Ans: B

can be less than or greater than input voltage only

Question: 3

For a given voltage, four heating coils will produce maximum heat when connected

(A) One pair in parallel with the other two in series

(B) With two parallel pairs in series

(C) All in series

(D) All in parallel

Ans: D

All in parallel

Question: 4

A circuit having neither any energy source nor emf source is called the

(A) Active

(B) Passive

(C) Bilateral

(D) Unilateral

Ans: B

Passive

Question: 5

Which of the following theorem is a manifestation of the law of conservation of energy?

(A) Norton's theorem

(B) Thevenin's theorem

(C) Reciprocity theorem

(D) Tellegen's theorem

Ans: D

Tellegen's theorem

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