Basic Network Concepts MCQ’s

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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 sin2 337 t
b) 90 sin2 337 t
c) 900 sin2 377 t
d) 9 sin2 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) LI2
c) LI/2
d) LI2/2

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 = 40et-2µA for t > 2s
d) i = -40et-2µA for t > 2s

11. Which of the following is not the energy stored in a capacitor?
a) CV22
b) QV2
c) Q22C
d) QC2

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