The values of λand μ for which the system of equations x + y + z = 9, 2x + 3y + z = 16 and x + 2y + λz = μ have a unique solution are
1 Crore+ students have signed up on EduRev. Have you? Download the App |
The directional derivative of the function f (x) = 2X2 - y2 + 3z2at A(2, 1 - 2) in the direction of
If the average of squares of 10 observations is 34 and their average is 5, then their standard deviation is ______
The state equation of the circuit shown in figure is
The dual of the network shown below will be
An unregulated power supply of 25 V is connected to zerer diodes and p - n diodes (cut in voltage 0.7V) as shown in figure, then the values of x and y, 7 are?
The load lines were drawn for the circuit collector Resistance Re = x, and y. From the graph we can conclude that
A silicon diode has saturation current of 6 nA, at 25°C. The saturation current at 100°C is
The CMRR of the differential Amplifier shown Here is
The OP-Amp circuit shown acts as
The base of the number system, in which the operation is correct?
The minimized Boolean expression of 'F is
A mod 16 counter with Asynchronous, Active low clear input is arranged as shown in figure. It works like a
The discrete fourier series coefficients of
The z transform of nan-1 u[n] given by
if y(t) = x(t) * h(t), then x(t -t1) *h (t- t2) is
A control system is represented by signal flow graph as shown, C(s) is the output, then
Range of 'k' for which the feed back system is stable, s(s2 + s + 1) (s + 4) + k = 0
Band width of an FM system is 180 KHz, when audio frequency 15 KHz is FM modulated, The frequency deviation is _______ KHz
Propagation delay for a 1 km optical fibre cable witha core index of refraction as 1.5 is
A narrow band signal occupying a frequency range of nfo to (n + 1) f0 is to be sampled. The maximum sampling rate is
A transmission line is distortion less if
Distilled water at 25°c is characterized by σ = 1.7 x 10-4 mho/m, and s = 78ε0. at freauencv of 3GHz. Its loss tangent tan
The depth of penetration of electromagnetic wave in a medium having conductivity σ at a frequency of 1MHz is 25 cm. The depth of penetration at a frequency of 4MHz will be_____ cm
There are three bags each containing five white balls and two black balls constituting group A and two bags each containing one white ball and four black balls constituting group B. A bag is randomly selected and a ball is drawn from it It was found to be a black ball. What is the probability that the b.alf is drawn from a bag in group A?
Find a real root of the equation x3 + 2x - 1 = 0.
The value of the Fourier cosine expansion of the function f(x) = x in the interval
The voltage V across the Resistor ‘R’ in the circuit is
25 docs|263 tests
|
Practice Test: Electronics Engineering (ECE)- 11 Test | 65 ques |
Practice Test: Electronics Engineering (ECE)- 12 Test | 65 ques |
Practice Test: Electronics Engineering (ECE)- 13 Test | 65 ques |
Practice Test: Electronics Engineering (ECE)- 14 Test | 65 ques |
Practice Test: Electronics Engineering (ECE)- 15 Test | 65 ques |
25 docs|263 tests
|
Practice Test: Electronics Engineering (ECE)- 11 Test | 65 ques |
Practice Test: Electronics Engineering (ECE)- 12 Test | 65 ques |
Practice Test: Electronics Engineering (ECE)- 13 Test | 65 ques |
Practice Test: Electronics Engineering (ECE)- 14 Test | 65 ques |
Practice Test: Electronics Engineering (ECE)- 15 Test | 65 ques |