Recent activity in Electric Circuits

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2 2 answers
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For the circuit shown, which one of the following options correctly identifies the Thevenin's equivalent parameters between nodes Y and Z?$\mathrm{V}_{\mathrm{TH}}=100 \m...
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A circuit with ideal elements is shown.Which one of the following options correctly identifies all the linear elements in the circuit?$\text{R}$ only$\text{R, L,}$ and $\...
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Consider the two-port network shown. For maximum power transfer to the resistive load $\left(\mathrm{R}_{\mathrm{L}}\right)$, the value of $\mathrm{R}_{\mathrm{L}}$ shoul...
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81 views
The resistance values of the Wheatstone bridge shown are: $\mathrm{P}=2000 \Omega, \mathrm{Q}=500 \Omega, \mathrm{R}=3000 \Omega$. The battery voltage $\mathrm{E}=50 \mat...
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144 views
The terminal voltage and current of a linear electrical network shown in Figure (a) are given in the table.\[\begin{array}{|c|c|}\hline\text{Terminal voltage } (v_t) & \t...
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64 views
The electrical network shown has an independent voltage source $(10 \mathrm{~V})$ and a current source ( $1 \mathrm{u}(\mathrm{t}) \mathrm{mA}$ ).The voltage across the c...
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129
129 views
An electrical component has voltage drop $v=V_{m} \sin (\omega t)$, when the current through it is $i=I_{m} \sin (\omega t-\theta)$.What is the average power dissipated o...
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70 views
In the circuit shown, the phase currents are\[\begin{array}{l}I_{A}=572.812+j 50.115 \mathrm{~A} \\I_{B}=-254.525-j 459.175 \mathrm{~A} \\I_{C}=-207.083+j 444.091 \mathrm...
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102
102 views
Refer to the four circuits shown.Which one of the following options for $\mathrm{k}_{1}, \mathrm{k}_{2}, \mathrm{k}_{3}$, and $\mathrm{k}_{4}$ makes all of them realizabl...
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3 3 answers
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The I-V characteristics of the element between the nodes X and Y is best depicted by 
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263 views
For the network given in the figure below, the Thevenin's voltage $V_{ab}$ is$-1.5$V$-0.5$V$0.5$V$1.5$V
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778 views
For the network shown, the equivalent Thevenin voltage and Thevenin impedance as seen across terminals ‘$\text{ab}$’ is$\text{10 V}$ in series with $12\:\Omega$$\text{65 ...
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238 views
The circuit shown in the figure has two sources connected in series. The instantaneous voltage of the $AC$ source (in Volt) is given by $v(t) = 12 \sin t$. If the circuit...
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451
451 views
An ideal sinusoidal voltage source $v(t)=230 \sqrt{2} \sin (2 \pi \times 50 t) \: V$ feeds an ideal inductor $L$ through an ideal SCR with firing angle $\alpha=0^{\circ}$...
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442
442 views
A benchtop dc power supply acts as an ideal $4 \: A$ current source as long as its terminal voltage is below $10 \: V$. Beyond this point, it begins to behave as an ideal...
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451
451 views
Three moving iron type voltmeters are connected as shown below. Voltmeter readings are $V$, $V1$ and $V2$ , as indicated. The correct relation among the voltmeter reading...
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267
267 views
In the circuit shown below, the node voltage $V_{A}$ is ___________ $V$.
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314
314 views
The driving point impedance $Z(s)$ for the circuit shown below is$\dfrac{s^4+3s^2+1}{s^3+2s} \\ $$\dfrac{s^4+2s^2+1}{s^2+2} \\ $$\dfrac{s^2+1}{s^4+s^2+1} \\$$\dfrac{s^3+1...
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218 views
An air filled cylindrical capacitor (capacitance $C_{0}$ ) of length $L$, with $a$ and $b$ as its inner and outer radii, respectively, consists of two coaxial conducting ...
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255 views
With $10$ V dc connected at port A in the linear nonreciprocal two-port network shown below, the following were observed:$1 \: \Omega$ connected at port B draws a current...
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587
587 views
In the circuit, shown below, if the values of $R$ and $C$ are very large, the form of the output voltage for a very high frequency square wave input, is best represented ...
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744 views
In the given circuit, the diodes are ideal. The current $\text{I}$ through the diode $\text{D} 1$ in milliamperes is __________(rounded off to two decimal places). 
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336 views
All the elements in the circuit shown in the following figure are ideal. Which of the following statements is/are true? When switch $\text{S}$ is $\mathrm{ON}$, both $D_{...
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745
745 views
The waveform shown in solid line is obtained by clipping a full-wave rectified sinusoid (shown dashed). The ratio of the $\text{RMS}$ value of the full-wave rectified wav...
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329
329 views
The input impedance, $Z_{in}\left ( s \right )$ for the network shown is$\frac{23s^{2}+46s+20}{4s+5}$$6s+4$$7s+4$$\frac{25s^{2}+46s+20}{4s+5}$
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1 1 answer
791
791 views
In the circuit shown, a $\text{5 V}$ Zener diode is used to regulate the voltage across load $R_{0}$. The input is an unregulated $DC$ voltage with a minimum value of $\t...
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373
373 views
In the $\text{BJT}$ circuit shown, beta of the $\text{PNP}$ transistor is $100$. Assume $V_{\text{BE}}=-0.7\;V$. The voltage across $R_{c}$ will be $\text{5 V}$ when $R_{...
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452
452 views
A signal generator having a source resistance of $50\:\Omega$ is set to generate a $\text{1 kHz}$ sinewave. Open circuit terminal voltage is $\text{10 V}$ peak-to-peak. C...
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261
261 views
In the circuit below, the operational amplifier is ideal. If $V_1=10$ mV and $V_2=50$ mV, he output voltage $(V_{\text{out}})$ is$100$ mV$400$ mV$500$ mV$600$ mV
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560
560 views
In the circuit shown in the figure, the bipolar junction transistor (BJT) has a current gain $\beta = 100$. The base-emitter voltage drop is a constant, $V_{BE}=0.7 \: V$...
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