Recent questions in Circuit Analysis

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285
285 views
Impedance $\mathrm{Z}$ as shown in the given figure is$j 29 \Omega$$j9 \Omega$$j 19 \Omega$$j 39 \Omega$
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555
555 views
For the circuit shown in the figure, Thevenin's voltage and Thevenin's equivalent resistance atterminals $a-b$ is$5 \mathrm{~V}$ and $2 \; \Omega$.$7.5 \mathrm{~V}$ and $...
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323
323 views
If $R_{1}=R_{2}=R_{4}=R$ and $R_{3}=1.1 R$ in the bridge circuit shown in the figure, then the reading in the ideal voltmeter connected between $a$ and $b$ is$0.238 \math...
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349
349 views
The $h$ parameters of the circuit shown in the figure are$\left[\begin{array}{cc}0.1 & 0.1 \\ -0.1 & 0.3\end{array}\right]$$\left[\begin{array}{cc}10 & -1 \\ 1 & 0.05\end...
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387
387 views
A square pulse of $3$ volts amplitude is applied to $C-R$ circuit shown in the figure. The capacitor is initially uncharged. The output voltage $\mathrm{V}_{0}$ at time $...
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469
469 views
A $\text{DC}$ voltage source is connected across a series $\text{R-L-C}$ circuit. Under steady-state conditions, the applied $\text{DC}$ voltage drops entirely across the...
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790
790 views
Consider a $\text{DC}$ voltage source connected to a series $\mathrm{R}-\mathrm{C}$ circuit. When the steady-state reaches, the ratio of the energy stored in the capacito...
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390
390 views
Two $2 \; \mathrm{H}$ inductance coils are connected in series and are also magnetically coupled to each other the coefficient of coupling being $0.1$. The total inductan...
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364
364 views
The value of the resistance, $R$, connected across the terminals, $A$ and $B$, which will absorb the maximum power, is. $4.00 \; \mathrm{k} \Omega$$4.11 \; \mathrm{k} \Om...
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356
356 views
The current, $\text{i(t)}$, through a $10 \; \Omega$ resistor in series with an inductance, is given by$i(t)=3+4 \sin \left(100 t+45^{\circ}\right)+4 \sin \left(300 t+60^...
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211
211 views
A series $\mathrm{R}-\mathrm{L}-\mathrm{C}$ circuit has a $\mathrm{Q}$ of $100$ and an impedance of $(100+j 0) \Omega$ at its resonant angular frequency of $10^{7}$ radia...
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268
268 views
An $\text{RC}$-coupled amplifier is assumed to have a single-pole low frequency transfer function. The maximum lower cut-off frequency allowed for the amplifier to pass $...
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375
375 views
In the given figure, $A_{1}, A_{2}$ and $A_{3}$ are ideal ammeters. If $\mathrm{A}_{2}$ and $\mathrm{A}_{3}$ read $3 \mathrm{~A}$ and $4 \mathrm{~A}$ respectvely, then $A...
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307
307 views
The voltages $\mathrm{V}_{\mathrm{C} 1}, \mathrm{~V}_{\mathrm{C} 2}$, and $\mathrm{V}_{\mathrm{C} 3}$ across the capacitors in the circuit in the given figure, under stea...
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244
244 views
In the circuit shown in the figure is $(a)-(c)$, assuming initial voltage and capacitors and currents through the inductors to be zero at the time of switching $(t=0)$, t...
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705
705 views
A $2 \; \mathrm{mH}$ inductor with some initial current can be represented as shown below, where $s$ is the Laplace Transform variable. The value of initial current is$0...
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724
724 views
In the figure shown, assume that all the capacitors are initially uncharged. If $\text{V}_i(t)=10 u(t)$ Volts, then $\text{V}_0(t)$ is given by$8 e^{-0.004 t}$ Volts$8\le...
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310
310 views
A series $\text{LCR}$ circuit consisting of $R=10 \; \Omega$, $\left|X_{L}\right|=20 \; \Omega$ and $\left|X_{C}\right|=20 \; \Omega$, is connected across an $a . c$. sup...
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342
342 views
A ramp voltage, $v(t)=100$ volts, is applied to an $R C$ differentiating circuit with $R=5 \; \mathrm{k} \Omega$ and $C=4$ $\mu \mathrm{F}$. The maximum output voltage is...
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323
323 views
A generator of internal impedance, $Z_{\mathrm{G}^{\prime}}$ deliver maximum power to a load impedance, $Z_{I^{\prime}}$ only if $Z_{I^{\prime}}=$ _________.