Recent questions tagged gate1992-ec

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Relative to a given fixed tree of a network,Link currents form an independent setBranch voltage form an independent setLink currents form an independent setBranch voltage...
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For a $2$-port network to be reciprocal,$z_{11} = z_{22}$$y_{21} = y_{12}$$h_{21} = – h_{12}$$\mathrm{AD}-\mathrm{BC}=0$
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For the series $\text{R-L}$ circuit of the given first figure, the partial fissure diagram at a certain frequency is shown in the given second figure. The operating frequ...
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For the compensated attenuator of the given figure, the impulse response under the condition $R_{1} C_{1} = R_{2} C_{2}$ is$\frac{R_{2}}{R_{1}+R_{2}}\left[1-e^{-\frac{1}{...
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Of the four networks, $\mathrm{N}_{1}, \mathrm{~N}_{2}, \mathrm{~N}_{3}$ and $\mathrm{N}_{4}$ of the given figure, the networks having identical driving point functions a...
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A linear time-invariant system is described by the state variable model\[\left[\begin{array}{l}x_{1} \\x_{2}\end{array}\right]=\left[\begin{array}{rc}-1 & 0 \\0 & -2\end{...
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A process with open-loop model $G(s)=\frac{k e^{-s \mathrm{~T}_{4}}}{t s+1}$ is controlled by a $\text{PID}$ controller.For this processthe integral mode improves transie...
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A linear discrete-time system has the characteristic equation, $z^{3}-0.81 z=0$. The systemis stableis marginally stableis unstablestability cannot be assessed from the g...
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Bode plot of a stable system is shown in the given figure. The transfer function of the system is $\cdots$
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Given a unity feedback system with open-loop transfer function, $G(a)=\frac{K}{s(s+1)(s+2)}$. The root locus plot of the system is of the form.
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A semiconductor is irradiated with light such that carriers are uniformly generated throughout its volume. The semiconductor is $n$-type with $N_{D}=10^{19}$ per $\mathrm...
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A $\text{P-N}$ junction series with a $100$ ohms resistor, is forward based so that a current of $100 \mathrm{~mA}$ flows. If the voltage across this combination is inst...
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An infrared $\text{LED}$ is usually fabricated from$\text{Ge}$$\mathrm{Si}$$\text{Ga As}$$\text{Ga As P.}$
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In a transistor having finite $B$, the forward bias across the base emitter junction is kept constant and the reverse bias across the collector-base junction is increased...
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An $n$-channel $\text{JFET}$ has a pinch-off voltage of $\mathrm{V}_{p}=-5 \mathrm{~V}, \mathrm{~V}_{\mathrm{DS}}(\max )=20 \mathrm{~V}$, and $\delta_{m}=2 \mathrm{~mA} /...
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The $\text{JFET}$ in the circuit shown in the given figure has an $\mathrm{I}_{\mathrm{DSS}}=10 \mathrm{~mA}$ and $\mathrm{V}_{\mathrm{p}}=5 \mathrm{~V}$. The value of th...
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368 views
An op. amp. has an offset voltage of $1 \mathrm{mV}$ and is ideal in all other respects. If this op. amp. is used in the circuit shown in the given figure, the output vol...
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If the transistors in the given figure have high values of $\beta$ and a $V_{B E}$ of $0.65$ volt, the current $I$, flowing through the $2$ kilo ohms resistance will be $...
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The circuit of given figure, uses an ideal op amp. For small positive values of $V_{\text {in' }}$, the circuit works asa halfwave rectifiera differentiatora logarithmic ...
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Assume that the operational amplifier in given figure is ideal. The current, $I$, through the $1 \; \text{K ohm}$ resistor is $\dots$
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The $6 \mathrm{~V}$ Zener diode shown in given figure has zero Zener resistance and a knee current of $5 \mathrm{~mA}$. The minimum value of $R$ so that the voltage acros...
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The logic realized by the circuit shown in given figure is $\mathrm{F}=\mathrm{A} \cdot \mathrm{C}$$\mathrm{F}=\mathrm{A}+\mathrm{C}$$\mathrm{F}=\mathrm{B} \cdot \mathrm{...
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Choose the correct statement(s) from the following$\text{PROM}$ contains a programmable $\text{AND}$ array and a fixed $\text{OR}$ array$\text{PLA}$ contains a fixed $\te...
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Given figure shows the circuit of a gate in the Resistor Transistor Logic $\text{(RTL)}$ family. The circuit represents a$\text{NAND}$$\text{AND}$$\text{NOR}$$\mathrm{OR}...
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The initial contents of the $4$-bit serial-in-parallel-out, right-shift, Shift. Register shown in given figure is $0110$. After three clock pulses are applied, the conten...
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In an $8085$ microprocessor system with memory mapped $\text{I} / \mathrm{O}$,$\text{I/O}$ devices have $16$-bit addresses$\text{I/O}$ devices are accessed using $\text{I...
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The following program is run on $8085$ microprocessor :$\begin{array}{cc}\text { Memory Address in hex } & \text { Instruction } \\ 2000 & \text { LXI SP, 1000 } \\ 2003 ...
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Dual-slope integration type Analog-to-digital converters providehigher speeds compared to all other types of $\text{A/D}$ convertersvery good accuracy without putting ext...
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Which of the following signals is/are periodic?$\mathrm{S}(t)=\cos 2 t+\cos 3 t+\cos 5 t$$\mathrm{S}(t)=\exp (j 8 \pi t)$$S(t)=\exp (-7 t) \sin 10 \pi t$$S(t)=\cos 2 t \c...
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If $G(f)$ represents the Fourier transform of a signal $g$ (t) which is real and odd symmetric in time, then$\mathrm{G}(f)$ is complex$G(f)$ is imaginary$\mathrm{G}(f)$ i...