Recent questions in Circuit Analysis

If each branch of a Delta circuit has impedance $\sqrt{3} Z$, then each branch of the equivalent Wye circuit has impedance.$\frac{Z}{\sqrt{3}}$$3 Z$$3 \sqrt{3} \mathrm{Z}...

This question consists of TWENTY FIVE subquestions $(2.1-2.25)$ of TWO marks each. For each of these sub-questions, four possible answers ( $\text{A, B, C}$ and $\text{D}...

In the figure, the value of the load resistor $R$ which maximizes the power delivered to it is$14.14 \; \Omega$$10 \; \Omega$$200 \; \Omega$$28.28 \; \Omega$

When the angular frequency $\omega$ in the figure, varied from $0$ to $\infty$, the locus of the current phasor $\mathrm{I}_{2}$ is given by

This section consists of TWENTY questions of FIVE marks each. ANY FIFTEEN out of these questions have to be answered in the Answer Book provided.For the circuit shown in ...

The circuit shown in the figure, operating in steady-state with switch $S_{1}$ closed. The switch $S_{1}$ is opened at $t=0$Find $i_{\mathrm{L}}\left(0^{+}\right)$.Find $...

The parallel RLC circuit shown in the figure is in resonance. In this circuit$\left|\mathrm{I}_{\mathrm{R}}\right|<1 \mathrm{~mA}$$\left|\mathrm{I}_{\mathrm{R}}+\mathrm{I...

The dependent current source shown in given figure.delivers $80 \mathrm{~W}$absorbs $80 \mathrm{~W}$delivers $40 \mathrm{~W}$absorbs $40 \mathrm{~W}$

In given figure $1.2,$ the switch was closed for a long time before opening at $t=0$. The voltage $V x$ at $t=0^{+}$ is$25 \mathrm{~V}$$50 \mathrm{~V}$$-50 \mathrm{~V}$$0...

If the $3$-phase balanced source in the figure is delivers $1500 \mathrm{~W}$ at a leading power factor of $0.844$, then the value of $Z_{L}$ (in ohm) is approximately$90...

SECTION - B (75 Marks)This section consists of TWENTY questions $\text{(EC3 - EC22)}$ of FIVE marks each. Attempt ANY FIFTEEN questions. Answers must be given in the answ...

The nodal method of circuit analysis is based on$\text{KVL}$ and Ohm's law$\mathrm{KCL}$ and Ohm's law$\text{KCL}$ and $\text{KVL}$$\text{KCL, KVL}$ and Ohm's law

The voltage across the terminals $a$ and $b$ in the figure is$0.5 \mathrm{~V}$$3.0 \mathrm{~V}$$3.5 \mathrm{~V}$$4.0 \mathrm{~V}$

The current $I$ through resistance $\mathrm{r}$ in the circuit shown in the figure is $\frac{-\mathrm{V}}{12 \mathrm{R}}$$\frac{\mathrm{V}}{12 \mathrm{R}}$$\frac{\text{V}...

Determine the frequency of resonance and the resonant impedance of the parallel circuit shown in the figure is. What happens when $\text{L}=\mathrm{CR}^{2}$ ?

A voltage source of internal impedance $R_{s}+j X_{s}$ supplies power to a load of impedance $R_{L}+j X_{L}$ in which only $R_{L}$ is variable. Determine the value of $R_...

Determine the input impedance of the given and investigatie if it can be inductive.

In the circuit of the figure is determine the resistance $R_{0}$ seen by the output terminals. Ignore the effects of $R_{1}$ and $R_{2}$.

For the $\text{TTL}$ circuit shown in the figure is find the current through the collector of transistor $Q_{4}$ when $V_{0}=0.2 \mathrm{~V}$. Assume $V_{C E(\text {sat)}...

The minimum number of equations required to analyze the circuit shown in the figure is$3$$4$$6$$7$