In the silicon BJT circuit shown below, assume that the emitter area of transistor Q1 is half that of transistor Q2.The

The amplifier circuit shown below uses a silicon transistor. The capacitors CC and CE can be assumed to be short at sign

Consider the common emitter amplifier shown below with the following circuit parameters: $$\beta = 100,\,{g_m} = 0.3861

Consider the common emitter amplifier shown below with the following circuit parameters: $$\beta = 100,\,{g_m} = 0.3861

The transfer characteristic for the precision rectifier circuit shown below is (assume ideal OP-AMP and practical diode

Assuming the OP-AMP to be ideal, the voltage gain of the amplifier shown below is

Consider an angle modulated signal x(t) = 6cos[2$$\mathrm\pi$$x106 t+2sin(8000$$\mathrm\pi$$t) + 4cos(8000$$\mathrm\pi$$

X(t) is a stationary process with the power spectral density Sx(f) > 0 for all f. The process is passed through a s

Consider the pulse shape s(t) as shown. The impulse response h(t) of the filter matched to this pulse is

Consider a base band binary PAM receiver shown below. The additive channel noise $$n(t)$$ is white with power spectral d

Consider a base band binary PAM receiver shown below. The additive channel noise $$n(t)$$ is white with power spectral d

The transfer function Y(s)/R(s) of the system shown is

A system with the transfer function $${{Y(s)} \over {X(s)}} = {s \over {s + p}},$$ has an output y(t)=$$\cos \left( {2t

For the asymptotic Bode magnitude plot shown below, the system transfer function can be

A unity negative feedback closed loop system has a plant with the transfer function $$G(s) = {1 \over {{s^2} + 2s + 2}}$

The signal flow graph of a system is shown below. The state variable representation of the system can be

The signal flow graph of a system is shown below. The transfer function of the system is

For the output F to be 1 in the logic circuit shown, the input combination should be

Match the logic gates in column A with their equivalents in column B.

The Boolean function realized by the logic circuit shown is

Assuming that all flip-flops are in reset condition initially, the count sequence observed at QA in the circuit shown is

If $$\overrightarrow{\mathrm A}\;=\;\mathrm{xy}\;{\widehat{\mathrm a}}_\mathrm x\;+\;\mathrm x^2\;{\widehat{\mathrm a}}_

A transmission line has a characteristic impedance of 50 $$\Omega $$ and a resistance of 0.1 $$\Omega $$/m. If the line

If the scattering matrix [S] of a two port network is $$$\left[ S \right] = \left[ {\matrix{ {0.2\,\angle \,\,{0^ \ci

In the circuit shown, all the transmission line sections are lossless. The Voltage Standing Wave Ration (VSWR) on the 60

A plane wave having the electric field component $$${\overrightarrow E _i} = 24\,\,\cos \,\,\left( {3 \times {{10}^8}\,

The silicon sample with unit cross-sectional area shown below is in thermal equilibrium. The following information is gi

The silicon sample with unit cross-sectional area shown below is in thermal equilibrium. The following information is gi

In a uniformly doped BJT, assume that NE, NB and NC are the emitter, base and collector dopings in atoms/cm3, respective

The eigen values of a skew-symmetric matrix are

If $$\,{e^y} = {x^{1/x}}\,\,$$ then $$y$$ has a

If $$\overrightarrow A = xy\,\widehat a{}_x + {x^2}\widehat a{}_y\,\,$$ then $$\,\,\oint {\overrightarrow A .d\overrigh

A fair coin is tossed independently four times. The probability of the event ''The number of times heads show up is more

A function $$n(x)$$ satisfies the differential equation $${{{d^2}n\left( x \right)} \over {d{x^2}}} - {{n\left( x \right

Consider a differential equation $${{dy\left( x \right)} \over {dx}} - y\left( x \right) = x\,\,$$ with initial conditio

The residues of a complex function $$X\left( z \right) = {{1 - 2z} \over {z\left( {z - 1} \right)\left( {z - 2} \right)}

In the circuit shown, the device connected to Y5 can have address in the range

In the circuit shown, the device connected to Y5 can have address in the range

For the 8085 assembly language program given below, the content of the accumulator after the executions of the program i

In the circuit shown, the power supplied by the voltage source is

For parallel RLC circuit, which one of the following statements is NOT correct?

The current I in the circuit shown is

For the two-port network shown below, the short-circuit admittance parameter matrix is

In the circuit shown, the switch S is open for a long time and is closed at t=0. The current i(t) for t ≥ 0+ is

The trigonometric Fourier series for the waveform f(t) shown below contains

Given f(t) = $${L^{ - 1}}\left[ {{{3s + 1} \over {{s^3} + 4{s^2} + \left( {K - 3} \right)s}}} \right].$$ If $$\matrix{

For an N-point FFT algorithm with N = $${2^m}$$ which one of the following statements is TRUE?

Consider the z-transform X(z)=5$${z^2} + 4{z^{ - 1}} + 3;0 < \left| z \right| < \infty $$. The inverse z - trans

A continuous time LTI system is described by $${{{d^2}y(t)} \over {d{t^2}}} + 4{{dy(t)} \over {dt}} + 3y(t)\, = 2{{dx(t)

Two discrete time systems with impulse responses $${h_1}\left[ n \right]\, = \delta \left[ {n - 1} \right]$$ and $${h_2}

The transfer function of a discrete time LTI system is given by $$H\left( z \right) = {{2 - {3 \over 4}{z^{ - 1}}} \ove

Consider the pulse shape s(t) as shown. The impulse response h(t) of the filter matched to this pulse is

A system with the transfer function $${{Y(s)} \over {X(s)}} = {s \over {s + p}}\,\,$$ has an output $$y(t) = \cos \lef

The Nyquist sampling rate for the signal $$s(t) = {{\sin \,(500\pi t)} \over {\pi \,t}} \times {{\sin \,(700\pi t)} \ove

Consider an angle modutated signal $$x(t) = 6\,\,\cos \,[2\,\pi \, \times {10^6}t + 2\sin (8000\pi t)\,4\cos (8000\pi t

Hari (H), Gita (G), Irfan (I) and Saira (S) are siblings (i.e. brothers and sisters). All were born on 1st January. The

If 137+276=435 how much is 731+672?

25 persons are in a room. 15 of them play hockey, 17 of them play football and 10 of them play both hockey and football.

5 skilled workers can build a wall in 20 days; 8 semi-skilled workers can build a wall in 25 days; 10 unskilled workers

Given digits 2,2,3,3,3,4,4,4,4 how many distinct 4 digit numbers greater than 3000 can be formed?

Modern warfare has changed from large scale clashes of armies to suppression of civilian populations. Chemical agents th

The question below consists of a pair of related of related words followed by four pairs of words. Select the pair that

Which of the following options is the closest in meaning to the world below: Circuitous

Choose the most appropriate word from the options given below to complete the following sentence: His rather casual rema

Choose the most appropriate word from the options given below to complete the following sentence: If we manage to ______