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Home⇒ Engineering⇒
Networks analysis and synthesis
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q21 ⇒ A series R-L circuit has R = 1 Ω and L = 1 H. It is excited by a V battery at t = 0. The steady state condition is reached at t = ∞ [other wrong options] [Discuss in forum] t = 1 s t = 0.1 s t = 0 s |
Q22 ⇒ For a symmetrical network z11 z22 and z12 = z21 [other wrong options] [Discuss in forum] z11 = z22 z12 = z21 z11 z12 - z122 = 0 |
Q23 ⇒ Three resistance of 15 Ω each are connected in delta. The resistance of equivalent star will have a value of 5 Ω [other wrong options] [Discuss in forum] 15 Ω 5/3 Ω 45 Ω |
Q24 ⇒ Find RL for maximum power tran 3 Ω [other wrong options] [Discuss in forum] 1.125 Ω 4.17 Ω none |
Q25 ⇒ A series resonant circuit is capacitive at f = 150 Hz. The circuit will be inductive somewhere at f greater than 150 Hz [other wrong options] [Discuss in forum] f less than 150 Hz f equal to 150 Hz by increasing the value of the resistance none of the above |
Q26 ⇒ For a full rectified sine wave, the form factor and peak factor respectively are 1.11 and 1.11 [other wrong options] [Discuss in forum] 1.57 and 2 1.57 and 2 1.11 and 2 |
Q27 ⇒ Norton's equivalent circuit is dual of Thevenin's circuit [other wrong options] [Discuss in forum] is same as Thevenin's circuit has no relation with Thevenin's circuit is reciprocal of Thevenin's circuit |
Q28 ⇒ For a high pass filter attenuation = 0 at f = 0. FALSE [other wrong options] [Discuss in forum] TRUE |
Q29 ⇒ Choose the correct option all [other wrong options] [Discuss in forum] tree does not contain any loop tree contain all the nodes tree is always open |
Q30 ⇒ In an RL series circuit the inductance is 1H and current at an instant is 0.6 A. The energy stored in magnetic field is 0.18 J [other wrong options] [Discuss in forum] 0.36 J 0.09 J 0.03 J |
Q31 ⇒ In the circuit, shown the current I marked is give 2.22 A [other wrong options] [Discuss in forum] 1.78 A 4.44 A 0.0833333333333333 |
Q32 ⇒ Assertion (A): A branch with no current through it can be replaced by an open circuit or short circuit. Reason (R): Reciprocity theorem is applicable only if the circuit has one source. Both A and R are true and R is not the correct explanation of A [other wrong options] [Discuss in forum] Both A and R are true and R is correct explanation of A A is true but R is false A is false but R is true |
Q33 ⇒ Two port circuits are connected in parallel. To determine the response, it is more convenient to use S.C. admittance parameters [other wrong options] [Discuss in forum] O.C. impedance parameters ABCD parameters h parameters |
Q34 ⇒ The maximum phase difference between the applied voltage and current in a RLC series current with finite values of R, L, C, and f can be less than 90° [other wrong options] [Discuss in forum] less than 45° 180° 30° |
Q35 ⇒ A constant k low pass T section filter has a characteristic impedance of 600 p at zero frequency. At f = fc the characteristic impedance is zero [other wrong options] [Discuss in forum] 600 Ω infinite more than 600 ohms |
Q36 ⇒ The opposition of an inductor to current flow varies directly with frequency [other wrong options] [Discuss in forum] depends only on the resistance of the coil depends on the magnitude of the applied voltage varies inversely with frequency |
Q37 ⇒ In the circuit of figure the voltage across C at t = 0+
0 V [other wrong options] [Discuss in forum] 20 V very large 7.5 V |
Q38 ⇒ The circuit in figure(1) is replaced by that in figure(2). It remains same R0 wil 4R [other wrong options] [Discuss in forum] zero R 2R |
Q39 ⇒ If the time is counted from the instant when an ac wave is at its peak value, we get a cosine wave [other wrong options] [Discuss in forum] sine wave distorted sine wave none of the above |
Q40 ⇒ Giga watt is equal to 109 W [other wrong options] [Discuss in forum] 1012 W 106 W 103 W |
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