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GATE ECE 2001

Exam Held on Thu Jan 01 1970 00:00:00 GMT+0000 (Coordinated Universal Time)
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GATE ECE

The current gain of a BJT is
An emitter-follower amplifier is shown in the figure, Z<sub>i</sub> is the imped...
An npn BJT has g<sub>m</sub> = 38 mA/V, $${C_\mu }\, = {10^{ - 14}}$$ F, $${C_\p...
The Oscillator circuit shown in the figure is <img class="question-image" src="...
The ideal Op-Amp has the following characteristics.
Consider the following two statements. <p> <b>Statement 1: </b> Astable Multivib...
The Inverting Op-Amp shown in the figure, has an Open-loop gain of 100. The clo...
In the figure assume the Op-Amps to be ideal. The output V<sub>0</sub> of the ci...
An Amplifier using an Op-Amp with a Slew-Rate SR = V/$$\mu $$sec, has a gain of...
Assume that the OP_AMP in the figure, ideal <img class="question-image" src="ht...
A band limited signal is sampled at the Nyquist rate. The signal can be recovere...
During transmission over a communication channel, bit errors occur independently...
A video transmission system transmits 625 picture frames per second. Each frame ...
The PDF of a Gaussian random variable X is given by $${p_x}(x) = \,{1 \over {3\s...
A feedback control system is shown in figure <img alt="GATE 2001 Control Systems...
If the characteristic equation of a closed-loop system is s<sup>2</sup> + 2s + 2...
The equivalent of the block diagram in Figure is given as <img alt="gate 2001 co...
An electrical system and its signal-flow graph representations are shown in Figu...
The feedback control system in Figure is stable <img alt="gate 2001 control-syst...
Consider the feedback control system shown in figure. <img alt="gate 2001 contro...
The root-locus diagram for a closed loop feedback system is shown in Figure. The...
Given the $$G\left(s\right)H\left(s\right)=\frac K{s\left(s+1\right)\left(s+3\ri...
The Nyquist plot for the open-loop transfer function G(s) of a unity negative fe...
The open-loop DC gain of a unity negative feedback system with closed-loop trans...
For the feedback control system shown in the figure, the process transfer functi...
The 2’s complement representation of –17 is
For the ring oscillator shown in the figure, the propagation delay of each inver...
In the TTL circuit in Figure 2.11, $${S_0}$$ to $${S_0}$$ are select lines and $...
In the figure the LED <img class="question-image" src="https://gateclass.cdn.exa...
For the digital block shown in Figure. 2(a), the output Y=f(S<sub>3</sub>,S<sub>...
The digital block in the figure is realized using two positive edge triggered D ...
A material has conductivity of 10<sup>-2</sup> mho/m and a relative permittivity...
A transmission line is distortionless if
If a plane electromagnetic wave satisfies the equation $${{{\partial ^2}\,{E_x}}...
A uniform plane electromagnetic wave incident normally on a plane surface of a d...
The phase velocity of waves propagating in a hollow metal waveguide is
The dominant mode in a rectangular waveguide is $$T{E_{10}}$$, because this mode...
A medium has breakdown strength of $$16$$ KV/m r.m.s. Its relative permeability ...
In a uniform linear array, four isotropic radiating elements are spaced $$\lambd...
A medium wave radio transmitter operating at a wavelength of 492 m has a tower a...
A rectangular hollow metal waveguide has dimensions a = 2.29 cm and b = 1.02 cm....
MOSFET can be used as a
Solve the differential equation $${{{d^2}y} \over {d{x^2}}} + y = x\,\,$$ with ...
An 8085 microprocessor based system uses a 4K × 8-bit RAM whose starting address...
<p>The voltage e<sub>0</sub> in Fig. is </p> <img alt="GATE 2001 Network Theory ...
<p>The voltage e<sub>0</sub> in figure is </p> <img alt="GATE 2001 Network Theor...
<p>In figure, the value of the load resistor R which maximizes the power deliver...
For the circuit shown in the figure, determine the phasors E<sub>2</sub>, E<sub>...
The admittance parameter Y<sub>12</sub> in the 2-port network in Figure is <img ...
The circuit shown in Fig. is operating in steady-state with switch $${S_1}$$ clo...
When the angular frequency $$\omega $$ in Fig. is varied from $$0$$ to $$\infty ...
If each branch of a Delta circuit has impedance $$\sqrt 3 \,Z$$, then each branc...
The Z parameters $${Z_{11}}$$ and $${Z_{21}}$$ for the 2-port network in Fig. ar...
The admittance parameters of a 2-port network shown in Fig. are given by $${Y_{1...
The PSD and the power of a signal g(t) are, respectively, S<sub>g</sub>($$\omega...
If a signal f(t) has energy E, the energy of the signal f(2t) is equal to
The region of convergence of the z- transform of a unit step function is
The transfer function of a system is given by $$H\left( s \right) = {1 \over {{s...
The impulse response function of four linear system S1, S2, S3, S4 are given res...
The Fourier transform $$G(\omega )$$ of the signal g(t) in Fig.(1) is given as <...
A band limited signal is sampled at the Nyquist rate. The signal can be recovere...
A base band signal g(t) band limited to 100 Hz modulates a carrier of frequency ...
The Nyquist sampling interval, for the signal Sinc(700t) + Sinc(500t) is
Let $$\delta (t)$$ denote the delta function. The value of the the integral $$\i...

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