Electrical engineering MCQ Quiz Hub

Network Theory Set-1

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1. Energy per unit charge is ____________




2. 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?




3. Resistance depends on the temperature of the conductor.




4. Unit of inductance is ________




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




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




7. The response of a second order system is?




8. If a function f(t) is periodic, then?




9. The period of a function is measured as?




10. The number of cycles a wave completes in one second is called?




11. The period of a sine wave is 40ms. What is the frequency?




12. The frequency of a sine wave is 30Hz. What is its period?




13. A sine wave completes quarter cycle in ____ radians.




14. A sine wave completes full cycle in ____ radians.




15. The value of inductance reactance is?




16. The impedance value of a pure capacitor is?




17. The value of the sine wave at some particular instant is called?




18. The maximum value of the wave during a positive half cycle or maximum value of the wave during negative cycle is called?




19. The total area under the complete curve divided by the distance of the curve is called?




20. The value from positive to negative peak of the sine wave is called?




21. A wire is carrying a direct current of 20A and a sinusoidal alternating current of peak value 20A. Find the rms value of the resultant current.




22. The peak factor of the sinusoidal waveform is?




23. The form factor of the sinusoidal waveform is?




24. Kirchhoff’s voltage law is based on principle of conservation of ___________




25. In a circuit with more number of loops, which law can be best suited for the analysis?




26. Kirchhoff’s Current law is based on the law of conservation of ___________




27. The current law represents a mathematical statement of fact that ___________




28. Kirchhoff’s current law is applied at ___________




29. Determine the current if a 20 coulomb charge passes a point in 0.25 seconds.




30. Resistance of a wire is yΩ. The wire is stretched to triple its length, then the resistance becomes ___________




31. An electric current of 10 A is the same as ___________




32. Consider a circuit with two unequal resistances in parallel, then ___________




33. In which of the following cases is Ohm’s law not applicable?




34. A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is V. If the diameter of wire is made d/4, then drift velocity becomes ___________




35. Which of the following bulbs will have high resistance?




36. Ohm’s law is not applicable to ___________




37. Conductance is expressed in terms of ___________




38. Resistivity of a wire depends on ___________




39. Source is a basic network element which supplies power to the networks.




40. The dependent sources are of _____________ kinds.




41. In CCVS, voltage depends on the control current and the constant called __________




42. Every circuit is a network, but all networks are not circuits.




43. Which of the following is not an example of a linear element?




44. Which of the following is an Active element?




45. A semiconductor diode is an ____________ element.




46. Example of distributed element is ___________




47. Potential difference in electrical terminology is known as?




48. The circuit in which current has a complete path to flow is called ______ circuit.




49. If the voltage-current characteristics is a straight line through the origin, then the element is said to be?




50. How many types of dependent or controlled sources are there?