The diodes and capacitors in the circuit shown are ideal. The voltage v(t) across the diode D1 is

The current ib through the base of a silicon npn transistor is $$1\;+\;0.1\;\cos\left(10000\;\mathrm\pi\;\mathrm t\right

The voltage gain Av of the circuit shown below is

The circuit shown is a

A source alphabet consists of N symbols with the probability of the first two symbols being the same. A source encoder i

In a base band communications link, frequencies up to 3500 Hz are used for signaling. Using a raised cosine pulse with 7

Two independent random variable X and Y are uniformly distributed in the interval [ - 1, 1]. The probability that max [X

The power spectral density of a real process X(t) for positive frequencies is shown below. The value of $$E\,\left[ {{X^

A BPSK scheme operating over an AWGN channel with noise power spectral density of N02, uses equi-probable signals $$$

A binary symmetric channel (BSC) has a transition probability of 1/8. If the binary transmit symbol X is such that P(X

The signal m(t) as shown is applied both to a phase modulator (with kp as the phase constant) and a frequency modulator

The feedback system shown below oscillates at 2 rad/s when

A system with transfer function g(s) = $${{\left( {{s^2} + 9} \right)\left( {s + 2} \right)} \over {\left( {s + 1} \rig

The transfer function of a compensator is given as $${G_C}(s) = {{s + a} \over {s + b}}.$$ $${G_C}(s)$$ is a lead compe

The transfer function of a compensator is given as $${G_C}(s) = {{s + a} \over {s + b}}.$$ The phase of the above lead

The state variable description of an LTI system is given by where y is the output and u is input. The system is contro

The state transition diagram for the logic circuit shown is

The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number

Consider the given circuit. In this circuit, the race around

The magnetic field along the propagation direction inside a rectangular waveguide with the cross section shown in the fi

The electric field of a uniform plane electromagnetic wave in free spce, along the positive x direction, is given by $

A coaxial cable with an inner diameter of 1 mm and outer diameter of 2.4 mm is filled with a dielectric of relative perm

A plane wave propagating in air with $$\vec E = \left( {8{{\widehat a}_x} + 6{{\widehat a}_y} + 5{{\widehat a}_z}} \righ

A transmission line with a characteristic impedance of 100 $$\Omega $$ is used to match a 50 $$\Omega $$ section to a 20

The radiation pattern of an antenna in spherical co-ordinates is given by $$$F\,(\theta )\, = {\cos ^4}\,\theta \,\,\,;\

An infinitely long uniform solid wire of radius a carries a uniform dc current of density $$\widehat{\mathrm j}$$ The ma

An infinitely long uniform solid wire of radius a carries a uniform dc current of density $$\widehat{\mathrm j}$$. A hol

In the circuit shown

The source of a silicon (ni = 1010 per cm3) n - channel MOS transistor has an aewa of 1 sq $$\mu m$$ and a depth of 1 $$

In the three dimensional view of a silicon n-channel MOS transistor shown below, $$\delta = 20$$ nm. The transistor is

In the three dimensional view of a silicon n-channel MOS transistor shown below, $$\delta = 20$$ nm. The transistor is

In the CMOS circuit shown, electron and hole mobilities are equal, and M1 and M2 are equally sized. The device M1 is in

Given that $$A = \left[ {\matrix{ { - 5} & { - 3} \cr 2 & 0 \cr } } \right]$$ and $${\rm I} = \left[

The direction of vector $$A$$ is radially outward from the origin, with $$\left| A \right| = K\,{r^n}$$ where $${r^2}

Two independent random variables $$X$$ and $$Y$$ are uniformly distributed in the interval $$\left[ { - 1,1} \right].$$

A fair coin is tossed till a head appears for the first time. The probability that the number of required tosses is odd

With initial condition $$x\left( 1 \right)\,\,\, = \,\,\,\,0.5,\,\,\,$$ the solution of the differential equation, $$\,\

If $$x\left[ N \right] = {\left( {1/3} \right)^{\left| n \right|}} - {\left( {1/2} \right)^n}\,u\left[ n \right],$$ then

The unilateral Laplace transform of $$f(t)$$ is $$\,{1 \over {{s^2} + s + 1}}.$$ The unilateral Laplace transform of $$

Consider the differential equation $${{{d^2}y\left( t \right)} \over {d{t^2}}} + 2{{dy\left( t \right)} \over {dt}} + y

If $$x = \sqrt { - 1} ,\,\,$$ then the value of $${X^x}$$ is

Given $$f\left( z \right) = {1 \over {z + 1}} - {2 \over {z + 3}}.$$ If $$C$$ is a counterclockwise path in the $$z$$-pl

The impedance looking into nodes 1 and 2 in the given circuit is

In the circuit shown below, current through the inductor is

If VA - VB = 6 V then VC - VD is

Assuming both the voltage sources are in phase the value of R for which maximum power is transferred from circuit A to c

With 10 V dc connected at port A in the linear nonreciprocal two-port network shown below, the following were observed:

With 10 V dc connected at port A in the linear nonreciprocal two-port network shown below, the following were observed:

In the following figure, C1 and C2 are ideal capacitors. C1 has been charged to 12 V before the ideal switch S is closed

The average power delivered to an impedance $(4-j 3) \Omega$ by a current $5 \cos (100 \pi t+100) A$ is

If $$x\left[ n \right]$$= $${(1/3)^{\left| n \right|}} - {(1/2)^n}u\left[ n \right]$$, then the region of convergence (R

The input x(t) and output y(t) of a system are related as y(t) = $$\int\limits_{ - \infty }^t x (\tau )\cos (3\tau )d\ta

The Fourier transform of a signal h(t) is $$H(j\omega )$$ =(2 cos $$\omega $$) (sin 2$$\omega $$) / $$\omega $$. The val

Let $$y\left[ n \right]$$ denote the convolution of $$h\left[ n \right]$$ and $$g\left[ n \right]$$, where $$h\left[ n \

Choose the most appropriate alternative from the options given below to complete the following sentence: If the tired so

Choose the most appropriate word from the options given below to complete the following sentence: Given the seriousness

Which one of the following options is the closest in meaning to the word given below? Latitude

One of the parts (A, B, C, D) in the sentence given below contains an ERROR. Which one of the following is INCORRECT? I

If (1.001)1259 = 3.52 and (1.001)2062 = 7.85, then (1.001)3321 =

Raju has 14 currency notes in his pocket consisting of only Rs. 20 notes and Rs. 10 notes. The total money value of the

A and B are friends. They decide to meet between 1 PM and 2 PM on a given day. There is a condition that whoever arrives

The data given in the following table summarizes the monthly budget of an average household. The approximate percentage

There are eight bags of rice looking alike, seven of which have equal weight and one is slightly heavier. The weighing b

One of the legacies of the Roman legions was discipline. In the legions, military law prevailed and discipline was bruta