Q. For a voltage transfer function H(s), realizable by RLC network, the following statements are made

1. H(s) cannot have a pole at s = 0
2. H(s) cannot have a pole at s = ± j4
3. H(s) cannot have a pole at s = ∞
4. H(s) cannot have a pole at s = + 2

Of these statements

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Q. Nichrome is commonly used for

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Q. Thevenin's equivalent circuit

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Q. A series RC circuit has fixed R and C and variable f. The current locus will lie in the first quadrant.

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Q. Which of the following statement is false?

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Q. The two conductors of a single phase transmission line suspended in air carry currents in opposite directions. The force per unit length on each conductor varies

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Q. Which of the following is correct?

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Q. The transfer function G12 (s) for a two port is

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Q. In drawing phasor diagrams, RMS values are used.

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Q. If two networks are connected in parallel then equivalent y parameter of both is

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Q. RMS value is always higher than average value.

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Q. When R and L are connected in parallel, R > |Z|.

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Q. As B is increased from zero to about 2T, μᵣ, of a ferromagnetic material

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Q. In open circuit impedance parameters, the independent variables are

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Q. Lead becomes a superconductor at

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Q. A second order system will have

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Q. √L/C has the dimension of

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Q. In metals, the flow of current is due to

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Q. Two port network is said to be symmetrical if

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Q. For a series resonant circuit at low frequency impedance is __________ and at high frequency circuit impedance is __________ .

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