Unit 1: Basic Circuit Analysis and Simplification Techniques MCQ's
1.Kirchhoff s current law states that 
2.Kirchhoffs current law is applicable to only 
3.Kirchhoff’s voltage law is related to 
4.Superposition theorem can be applied only to circuits having 
5.The concept on which Superposition theorem is based is 
6. Thevenin resistance Rth is found 
7. An ideal voltage source should have 
8. For a voltage source 
9.To determine the polarity of the voltage drop across a resistor, it is necessary to know 
10."Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load". The above statement is associated with 
11."Any number of current sources in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents and source resistance is the parallel combination of individual 
12."In any linear bilateral network, if a source of e.m.f. E in any branch produces a current I in any other 
13. Which of the following is nonlinear circuit parameter ? 
14. A capacitor is generally a (a) bilateral and active component (b) active, passive, linear and nonlinear component (c) linear and bilateral component (d) nonlinear and active component 
15."In any network containing more than one sources of e.m.f. the current in any branch is the algebraic sum of a number of individual fictitious currents (the number being equal to the number of sources of e.m.f.), each of which is due to separate action of each source of e.m.f., taken in order, when the remaining sources of e.m.f. are 
16. Kirchhoff s law is applicable to 
17.Kirchhoff s law is not applicable to circuits with (a) lumped parameters (b) passive elements (c) distributed parameters (d) nonlinear resistances Show Answer 
18.Kirchhoff s voltage law applies to circuits with (a) nonlinear elements only (b) linear elements only (c) linear, nonlinear, active and passive elements (d) linear, nonlinear, active, passive, time varying as wells as timeinvariant elements Show Answer 
19.The resistance LM will be (a) 6.66 Q (b) 12 Q (c) 18Q (d) 20Q Show Answer 
20. For high efficiency of transfer of power, internal resistance of the source should be 
21. Efficiency of power transfer when maximum transfer of power cxurs is 
22. If resistance across LM in Fig. 2.30 is 15 ohms, the value of R is (a) 10 Q (6) 20 Q (c) 30 Q (d) 40 Q Show Answer 
23. For maximum transfer of power, internal resistance of the source should be 
24. If the energy is supplied from a source, whose resistance is 1 ohm, to a load of 100 ohms the source will be (a) a voltage source (b) a current source (c) both of above (d) none of the above Show Answer 
25.The circuit whose properties are same in either direction is known as 
26.In a series parallel circuit, any two resistances in the same current path must be in (a) series with each other (b) parallel with each other (c) series with the voltage source.' (d) parallel with the voltage source Show Answer 
27.The circuit has resistors, capacitors and semiconductor diodes. The circuit will be known as 
28. A nonlinear network does not satisfy 
29. An ideal voltage source has 
30.A network which contains one or more than one source of e.m.f. is known as (a) linear network (b) nonlinear network (c) passive network (d) active network Show Answer 
31. The superposition theorem is applicable to (a) linear, nonlinear and time variant responses (b) linear and nonlinear resistors only (c) linear responses only (d) none of the above Show Answer 
32.Millman's theorem yields 
33. The superposition theorem is applicable to

34.Between the branch voltages of a loop the Kirchhoff s voltage law imposes 
35.A passive network is one which contains 
36. A terminal where three on more branches meet is known as (a) node (b) terminus (c) combination (d) anode Show Answer 
37. Which of the following is the passive element ? 
38.Which of the following is a bilateral element ? 
39.A closed path made by several branches of the network is known as (a) branch (b) loop (c) circuit (d) junction Show Answer 
40.A linear resistor having 0 < R < °o is a (a) current controlled resistor (6) voltage controlled resistor (c) both current controlled and voltage controlled resistor (d) none of the above Show Answer 
41. A star circuit has element of resistance R/2. The equivalent delta elements will be 
42.A delta circuit has each element of value R/2. The equivalent elements of star circuit with be (a) RIG (b) R/3 (c) 2R (d) 3R Show Answer 
43. While calculating Rth in Thevenin's theorem and Norton equivalent (a) all independent sources are made dead (b) only current sources are made dead (c) only voltage sources are made dead (d) all voltage and current sources are made dead Show Answer 
44.The number of independent equations to solve a network is equal to 
45.The superposition theorem requires as many circuits to be solved as there are 
46.Choose the incorrect statement. 
Find the node voltage V_{A}. 
What is the current through R_{2}? A. 3.19 A 
References
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