# Basic Network Concepts MCQ’s

This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Basic Network Concepts”.

1. A conductor is said to have resistance of one ohm if a potential difference of one volt across its terminals causes a current of X ampere to flow through it. What will be the value of X?

a) 4

b) 2

c) 3

d) 1

2. Resistance depends on the temperature of the conductor.

a) True

b) False

3. Energy per unit charge is ____________

a) Power

b) Voltage

c) Current

d) Capacitance

4. A 25 Ω resistor has a voltage of 150 sin377 t. Find the corresponding power.

a) 900 sin^{2} 337 t

b) 90 sin^{2} 337 t

c) 900 sin^{2} 377 t

d) 9 sin^{2} 337 t

5. Inductance of an inductor is inversely proportional to its ___________

a) Number of turns

b) Area of cross section

c) Absolute permeability

d) Length

6. An inductor of 3mH has a current i = 5(1 – e^{-5000t}). Find the corresponding maximum energy stored.

a) 37.5 mJ

b) 375 J

c) 37.5 kJ

d) 3.75 mJ

7. Unit of inductance is ________

a) Weber

b) Henry

c) Farad

d) Tesla

8. Energy stored in an inductor is ________

a) LI

b) LI^{2}

c) LI/2

d) LI^{2}/2

9. The capacitance of a capacitor does not depend on the absolute permittivity of the medium between the plates.

a) True

b) False

10. A voltage is defined by v(t)=⎧⎩⎨02t4e−(t−2) for ⎧⎩⎨t<00<t<2st>2s respectivelyand is applied to the 10 µF capacitor. Which of the following is incorrect?

a) i = 0 for t < 0

b) i = 20µA for 0 < t < 2s

c) i = 40e^{t-2}µA for t > 2s

d) i = -40e^{t-2}µA for t > 2s

11. Which of the following is not the energy stored in a capacitor?

a) CV22

b) QV2

c) Q22C

d) QC2