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DC basic and Networks MCQ Set-1 Question 1:-

The theorem that enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source is the theorem.

(a) compensation
(b) reciprocity
(c) Millman’s
(d) Maxwell’s

Ans: (c) Millman’s

Millman’s theorem enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source is the theorem.

DC basic and Networks MCQ Question 2:-

Millman’s theorem yields equivalent

(a) impedance or resistance.
(b) current source.
(c) voltage source.
(d) voltage or current source.

Ans: (d) voltage or current source.

Millman’s theorem yields equivalent voltage or current source.

DC basic and Networks MCQ Question 3:-

For a fixed supply voltage the current flowing through a conductor will increase when its

(a) area of x-section is reduced.
(b) length is reduced.
(c) length is increased.
(d) length is increased and x-sectional area is reduced.

Ans: (b) length is reduced. ✔

For a fixed supply voltage the current flowing through a conductor will increase when its length is reduced.

DC basic and Networks MCQ Question 4:-

A 12 V automobile light is rated at 30 W. The total charge that flows through the filament in one minute is

(a) 30 C
(b) 12 C
(c) 150 C
(d) 180 C

Ans: (c) 150 C ✔

A 12 V automobile light is rated at 30 W. The total charge that flows through the filament in one minute is 150 C.

DC basic and Networks MCQ Question 5:-

Which one of the following is applicable to any network-linear or nonlinear, active or passive, time-varying or invariant-as long as Kirchhoff’s laws are not violated?

(a) Tellegen’s theorem.
(c) Maximum power transfer theorem.
(b) Reciprocity theorem.
(d) Superposition theorem.

Ans: (a) Tellegen’s theorem. ✔

Tellegen’s theorem is applicable to any network-linear or nonlinear, active or passive, time-varying or invariant-as long as Kirchhoff’s laws are not violated.

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