Q. An ideal transformer has a turn ratio of 2 : 1. Taking hv side as port 1 and lv side as port 2, transmission parameters of transformer are

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Q. The voltage e0 in the figure

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Q. The distance between the plates of a parallel plate capacitor is d. The dielectric is in two parts, each of equal thickness but dielectric constants ∈1 and ∈2 respectively. The total capacitance will be proportional to

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Q. In figure, the capacitor is charged to 1 V. At t = 0 the switch is closed so that i = e^(-t). When i = 0.37 A, the voltage across capacitor is

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Q. The Voltage e0 in the figure,

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Q. Consider the following statement:

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Q. The circuit in figure is switched on at t = 0. At any time t, i(t) =

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Q. A system is at rest for t < 0. It is given by the following equation. If steady state is reached at t = 0, then the value of angle A is given by

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Q. In the circuit of figure the current through C at t = ∞ is

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Q. The average value of the waveform is

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Q. For the circuit in figure, fed by a unit step voltage, vc =

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Q. For the network of figure, z11 =

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Q. In figure

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Q. Figure shows a dc circuit fed by a current source. With respect to terminals AB, Thevenin's voltage and Thevenin's resistance are

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Q. In figure, the value of R should be

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Q. A resistance coil has self inductance L, resistance R and capacitance C. The impedance across the coil is

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Q. In figure, the current iL at t = ∞ is

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Q. In figure, the battery has remained switched on for a long time. At t = 0 the switch is closed. The current i(t) is likely to be

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Q. A resistance R is connected to a voltage source Vs having internal resistance Rs. A voltmeter of resistance Rm is used to measure the voltage across R. The voltmeter will read

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Q. In the circuit shown in figure, for different values of R, the values of V and I are given. Other elements remaining the same. when R = ∞, V = 5 volt

1. R = 0, I = 2.5 A
2. R = 3 Ω, the value of V is given by

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