# B there must be either a zero or a pole at origin and

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(B)There must be either a zero or a pole at origin and infinity.(C)The highest (or lowest) powers of numerator or denominator differ byunity.(D)All of the above.Ans: D
Q.13The currentxiin the network is:214
With the voltage source of 3v only, the current'xiisAix153963'=+=With the current source of 2A only, the current"xiisAix151215629662"=×=+×=.Thus, by Superposition principle, the currentxithrough the resistanceΩ9isAAiiixxx11515151231512153"'==+=+=+=Q.14The equivalent circuit of the capacitorshown isQ.15The value of
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AE-08CIRCUIT THEORY AND DESIGNAns: D2maxIIrms=For the given wave formAI1max=The value ofmaxmaxmax1.2IIisIIrms=2121.21=.Q.16The phasor diagram for an ideal inductance having current I through it and voltage V across itis :(A)(B)(C)(D)Ans: D
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Q.17If the impulse response is realisable by delaying it appropriately and is bounded for boundedexcitation, then the system is said to be :
Q.18In any lumped network with elements in b branches,( )( ),0ti.tkb1k=υ=for all t, holds goodaccording to:k
Q.19Superposition theorem is applicable only to networks that are:
Q.20In the solution of network differential equations, the constants in the complementaryfunction have to be evaluated from the initial conditions, and then the particular integral isto be added.This procedure is(A)correct.
AE-08CIRCUIT THEORY AND DESIGN(B)incorrect.(C)the one to be followed for finding the natural response.(D)the one to be followed for finding the natural and forced responses.Ans: AQ.21Two voltage sources connected in parallel, as shown in the Fig.1, must satisfy the conditions:.if
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Q.22The rms value of the a-c voltage( )t314sin200tv=is:
VVVmRMS42.14144.120022002====Q.23In a 2-terminal network containing at least one inductor and one capacitor,resonancecondition exists only when the input impedance of the network is:
Q.24If a network function has zeros only in the left-half of the s-plane, then it is said to be(A)a stable function.(B)a non-minimum phase function.(C)a minimum phase function.(D)an all-pass function.Ans: C
Q.25Zeros in the right half of the s-plane are possible only for

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Term
Winter
Professor
NoProfessor
Tags
RC circuit, RL circuit, LC circuit, j