The output V0 of the diode circuit shown in the figure is connected to an averaging DC voltmeter. The reading on the DC

In the circuit shown, transistors Q1 and Q2 are biased at a collector current of 2.6 mA. Assuming that transistor curren

In the voltage reference circuit shown in the figure, the op-amp is ideal and the transistors Q1, Q2,….., Q32 are identi

The un-modulated carrier power in an AM transmitter is 5kW. This carrier is modulated by a sinusoidal modulating signal.

A modulating signal given By $$x\left(t\right)=5\sin\left(4\mathrm\pi10^3\mathrm t\;-\;10\mathrm{πcos}2\mathrm\pi10^3\ma

Which one of the following graphs shows the Shannon capacity (channel capacity) in bits of a memory less binary symmetri

A sinusoidal message signal is converted to a PCM signal using a uniform quantizer. The required signal to quantization

Consider a binary memoryless channel characterized by the transition probability diagram shown in the figure. The chann

Consider the random process x(t) = U + Vt. Where U is a zero mean Gaussian random variable and V is a random variable

For the system shown in the figure, Y (s) / X (s) = __________.

A unity feedback control system is characterized by the open-loop transfer function $$$G\left(s\right)\;=\;\frac{2\left

A unity feedback control system is characterized by the open loop transfer function $$G(s) = {{10k\left( {s + 2} \right

Which of the following statement is incorrect?

A second order LTI system is described by the following state equation. $$$\eqalign{ & {d \over {dt}}{x_1}\left( t

Consider the state space realization $$$\left[ {\matrix{ {\mathop x\limits^ \bullet } & {\left( t \right)} \cr

Consider the circuit shown in the figure. The Boolean expression F implemented by the circuit is

A programmable logic array (PLA) is shown in the figure. The Boolean function F implemented is

Figure I shows a 4-bits ripple carry adder realized using full adders and Figure II shows the circuit of a full-adder (F

In a DRAM,

The state diagram of a finite state machine (FSM) designed to detect an overlapping sequence of three bits is shown in t

Two conducting spheres S1 and S2 of radii a and b (b>a) respectively, are placed far apart and connected by a long, t

An electron (q1) is moving in free space with velocity 105 m/s towards a stationary electron (q2) far away. The closest

A two wire transmission line terminates in a television set. The VSWR measured on the line is 5.8. The percentage of pow

Standard air filled rectangular waveguides of dimensions a = 2.29cm and b = 1.02cm are designed for radar applications.

The permittivity of water at optical frequencies is $$1.75{\varepsilon _0}$$. It is found that an isotropic light source

For a particular intensity of incident light on a silicon pn junction solar cell, the photocurrent density (JL) is 2.5 m

An npn bipolar junction transistor (BJT) is operating in the active region. If the reverse bias across the base-collecto

Consider the circuit shown in the figure. Assume base-to-emitter voltage VBE=0.8 V and common base current gain $$\left(

An n-channel enhancement mode MOSFET is biased at VGS > VTH and VDS > (VGS - VTH), where VGS is the gate-to-source

Consider an n-channel MOSFET having width W, length L, electron mobility in the channel $$\mu_n$$ and oxide capacitance

For the circuit shown in the figure, P and Q are the inputs and Y is the output. The logic implemented by the circuit i

Assuming that transistor M1 and M2 are identical and have a threshold voltage of 1V, the state of transistors M1 and M2

Two n-channel MOSFETs, T1 and T2, are identical in all respects except that the width of T2 is double of T1. Both the tr

A MOS capacitor is fabricated on p-type Si (silicon) where the metal work function is 4.1 eV and electron affinity of Si

The rank of the matrix $$\left[ {\matrix{ 1 & { - 1} & 0 & 0 & 0 \cr 0 & 0 & 1 & { -

The values of the integrals $$\int\limits_0^1 {\left( {\int\limits_0^1 {{{x - y} \over {{{\left( {x + y} \right)}^3}}}dy

The minimum value of the function $$f\left( x \right) = {1 \over 3}x\left( {{x^2} - 3} \right)\,\,$$ in the interval $$

The smaller angle (in degrees) between the planes $$x+y+z=1$$ and $$2x-y+2z=0$$ is ________.

Passengers try repeatedly to get a seat reservation in any train running between two stations until they are successful.

$$500$$ students are taking one or more courses out of chemistry, physics and Mathematics. Registration records indicate

The general solution of the differential equation $$\,\,{{{d^2}y} \over {d{x^2}}} + 2{{dy} \over {dx}} - 5y = 0\,\,\,$$

The residues of a function $$f\left( z \right) = {1 \over {\left( {z - 4} \right){{\left( {z + 1} \right)}^3}}}$$ are

An integral $${\rm I}$$ over a counter clock wise circle $$C$$ is given by $${\rm I} = \oint\limits_c {{{{z^2} - 1} \ove

A connection is made consisting of resistance A in series with a parallel combination of resistances B and C. Three resi

Consider the circuit shown in the figure. The Thevenin equivalent resistance (in Ω) across P – Q is _________.

The switch in the circuit, shown in the figure, was open for a long time and is closed at t = 0. The current i(t) (in am

In the circuit shown, $$V$$ is a sinusoidal voltage source. The current $$I$$ is in phase with voltage $$V$$. The ratio

The input x(t) and the output y(t) of a continuous time system are related as $$y\left( t \right) = \int\limits_{t - T}

The transfer function of a causal LTI system is H(s) = 1/s. If the input to the system is x(t) = $$\left[ {\sin (t)/\pi

Consider the parallel combination of two LTI systems shown in the figure. The impulse responses of the systems are $

Consider an LTI system with magnitude response $$$\left| {H(f)} \right| = \left\{ {\matrix{ {1 - \,{{\left| f \right|

An LTI system with unit sample response $$h\left( n \right) = 5\delta \left[ n \right] - 7\delta \left[ {n - 1} \right]

The signal x(t) = $$\sin \,(14000\,\pi t)$$, where t is in seconds, is sampled at a rate of 9000 samples per second. The

A rule states that in order to drink beer one must be over 18 years old. In a bar, there are 4 people. P is 16 years old

500 students are taking one or more courses out of Chemistry, Physics, and Mathematics. Registration records indicate co

Fatima starts from point P, goes North for 3 km, and then East for 4 km to reach point Q. She then turns to face point P

The ninth and the tenth of this month are Monday and Tuesday _______.

It is ____ to read this year’s textbook _____ the last year’s.

Each of P, Q, R, S, W, X, Y and Z has been married at most once. X and Y married and have two children P and Q, Z is gra

The number of 3 digit numbers such that the digit 1 is never to the immediate right of 2 is

1200 men and 500 women can build a bridge in 2 weeks. 900 men and 250 women will take 3 weeks to build the same bridge.

“If you are looking for a history of India, or for an account of the rise and fall of the British Raj, or for the reason

A contour line joins locations having the same height above the mean sea level. The following is a contour plot of a geo