The following Variable Entered Map (VEM) represents which of the following function:
Consider the circuit shown below of 2 : 1 MUX is given by the function g = ac + bcThen f is :
A periodic voltage has following values for equal time intervals changing suddenly from one value to next :--etc.What would be the RMS value of a sine wave having the same peak value as that of the above mentioned periodic wave?
In a infinite ladder circuit as shown above each resistance of r Ω then find RAB
The electric field of uniform plane wave is given by E =sin (2 p x 108t- pz) x +cos (2 p x 108t - pz) y. Find phase velocity
The minimal function that can detect a "divisible byBCD code digit (representation D8D4D2D1) is given by
To realize following function 'f', How many minimum number of 2 input NAND gates are required?
A control system is as shown in given figure The maximum value of gain K for which the system is stable is
In the circuit s closed for a long time and steady state is reached. s is opened at t = 0+ Determine current through resistor.
The probability density function of a random variable x is as shown. The mean of the distribution is:
A generator ofΩ internal impedance and operating at 1 GHz feeds aΩ load via a coaxial line of characteristic impedanceΩ. The VSWR on the feed line is
A lossless transmission line iscm long and operates at a frequency ofMHz. Inductance and capacitances present in a line are 0.5 μH/m andpF/m. Phase constant and phase velocity are respectively.
Two D flip-flop as shown below are to be connected as a synchronous counter that goes through the following Q1Q0 sequence→→→→→ __________ The inputs D0 and D1 respectively should be connected as
Consider the sequence x(n) whose fourier transform X(ejω) is depicted for - p ≤ ω ≤ p as shown in figure
Two coils X ofturns and Y ofturns are placed such thatof the flux produced by coil X links coil Y. A current of 1 A in coil X produces 0.1 wb flux. The mutual inductance between coils is
The Nyquist sampling rate for the signal s(t) = is given by
The number of distinct Boolean expressions of 3 variables is
The region between a pin of parallel perfectly conducting planes of infinite extent is y and z directions is partially filled with a dielectric as shown below.AGHz TE10 wave is incident on the air-dielectric interface. The value of reflection coefficient at the interface is
In a synchro error detector, the output voltage is proportional to [ω(t)]n, where ω(t) is the rotor velocity and n equals :
Consider an angle modulated signalx(t) = 6cos[2p x 106t + 2sin(8000pt) + 4cos(8000pt)] VThe average power of x(t) is
In the circuit shown, the power supplied by the voltage source
An LTI system having transfer function and input x(t) = sin (t +is in steady state. The output is sampled at a rate ωs rad/s to obtain the final output {y(k)}. Which of the following is true?
An air-filled rectangular waveguide has dimensions 8cm x 10cm . The group velocity is
If . dt, then F[y(t)] is
A system with transfer function H(z) has impulse response h(.) defined as h(=h(= -1 and h(k) = 0 otherwise. Consider the following statementsSH(z) is a low pass filterSH(z) is a FIR filter.Which of the following is correct?
Two discrete time systems with impulse responses h1[n] = δ[n -and h2[n] = δ[n -are connected in cascade. The overall impulse response of the cascaded system is
(29)13 ÷ (29)12 x (29)x = (23)16 Find x
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