Recent questions tagged gate2004-ec

Consider the network graph shown in the figure. Which one of the following is NOT a 'tree' of this graph?

The equivalent inductance measured between the terminals $1$ and $2$ for the circuit shown in the figure is$\mathrm{L}_{1}+\mathrm{L}_{2}+\mathrm{M}$$\mathrm{L}_{1}+\math...

The circuit shown in in the figure, with $R=\frac{1}{3} \Omega$, $\mathrm{L}=\frac{1}{4} \mathrm{H}, \mathrm{C}=3 \mathrm{~F}$ has input voltage $v(t)=\sin 2 t$. The resu...

For the circuit shown in in the figure, the time constant $\text{RC}=1 \mathrm{~ms}$. The input voltage is $v_{i}(t)=\sqrt{2}$ $\sin 10^{3} t$.The output voltage $v_{0}(t...

For the $\text{R-L}$ circuit shown in the figure, the input voltage $v_{i}(t)=u(t)$. The current $i(t)$ is

The impurity commonly used for realizing the base region of a silicon $n-p-n$ transistor isGalliumIndiumBoronPhosphorus

If for a silicon $n-p-n$ transistor, the base-to-emitter voltage $\left(\mathrm{V}_{\mathrm{KE}}\right)$ is $0.7 \mathrm{~V}$ and the collector-to-base voltage $\left(\ma...

Consider the following statements $\mathrm{S} 1$ and $\mathrm{S} 2$.$\text{S1 :}$ The $\beta$ of a bipolar transistor reduces if the base width is increased.$\text{S2 :}$...

An ideal $\text{op-amp}$ is an idealvoltage controlled current sourcevoltage controlled voltage sourcecurrent controlled current sourcecurrent controlled voltage source

Voltage series feedback (also called series-shunt feedback) results inincrease in both input and output impedancesdecrease in both input and output impedancesincrease in ...

The circuit in the given figure is alow-pass filterhigh-pass filterband-pass filterband-reject filter

Assuming $\mathrm{V}_{\text {CEsat }}=0.2 \mathrm{~V}$ and $\beta=50$, the minimum base current $\left(I_{v}\right)$ required to drive the transistor in the given figure ...

A master-slave flip-flop has the characteristic thatchange in the input immediately reflected in the outputchange in the output occurs when the state of the master is aff...

A digital system is required to amplify a binary-encoded audio signal. The user should be able to control the gain of the amplifier from a minimum to a maximum in $100$ i...

Choose the correct one from among the alternatives $\text{A, B, C, D}$ after matching an item from Group $1$ with the most appropriate item in Group $2.$$$\begin{array}{|...

Figure given below shows the internal schematic of a $\text{TTL AND-OR}$ -Invert $\text{(AOI)}$ gate. For the inputs shown in the given figure, the output $\text{Y}$ is $...

Given figure is the voltage transfer characteristic ofan NMOS inverter with enhancement mode transistor as loadan NMOS inverter with depletion mode transistor as loada CM...

The impulse response $h[n]$ of a linear time-invariant system is given by\[h[n]=u[n+3]+u[n-2]-2 u[n-7]\]where $u[n]$ is the unit step sequence. The above system isstable ...

The distribution function $\mathrm{F}_{1}(x)$ of a random variable $\mathrm{X}$ is shown in the figure. The probability that $X=1$ iszero$0.25$$0.55$$0.30$

The $z$-transform of a system is $H(z)=\frac{z}{z-0.2}.$ If the ROC is $|z|<0.2$, then the impulse response of the system is$(0.2)^{n} u[n]$$(0.2)^{n} u[-n-1]$$-(0.2)^{n}...

The Fourier transform of a conjugate symmetric function is alwaysimaginaryconjugate anti-symmetricrealconjugate symmetric

The gain margin for the system with open-loop transfer function $\mathrm{G}(s) \mathrm{H}(z)=\frac{2(1+z)}{s^{2}}$, is$\infty$$0$$1$$-\infty$

Given $\mathrm{G}(s) \mathrm{H}(z)=\frac{\mathrm{K}}{s(s+1)(s+3)}$, the point of intersection of the asymptotes of the root loci with the real axis is$-4$$1.33$$-1.33$$4$

In a $\text{PCM}$ system, if the code word length is increased from $6$ to $8$ bits, the signal to quantization noise ratio improves by the factor$8 / 6$$12$$16$$8$

The phase velocity of an electromagnetic wave propagating in a hollow metallic rectangular waveguide in the $\mathrm{TE}_{10}$ mode isequal to its group velocityless than...

Consider a lossless antenna with a directive gain of $+6 \mathrm{~dB}$. If $1 \mathrm{~mW}$ of power is fed to it the total power radiated to the antenna will be$4 \mathr...