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GATE EC : Signals & Systems Champion Quiz 4
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Question 1
Discrete-time signal is obtained by sampling from:
Question 2
A current impulse, 5δ (t), is forced through a capacitor C. The voltage, Vc(t), across the capacitor is given by
Question 3
Fourier Series for the waveform, f(t) shown in the following figure is
Question 4
What is the rms value of the voltage waveform shown in the following figure?
Question 5
Which type of signal is shown in the figure
Question 6
x[n] 0; n < -1, n > 0, x [-1] = -1, x[0] = 2 is the input and y[n] = 0; n < -1, n > 2, y[-1] = -1= y[1], y [0] = 3, y[2] = -2 is the output of a discrete-time LTI system. The system impulse response h[n] will be
Question 7
A system with input x(t) and output y(t) is defined by the input-out relation:
The system will be
The system will be
Question 8
The rms value of the resultant current in a wire carries a dc current of 10 A and a sinusoidal alternating current of peak of value 20 A is
Question 9
For the given impulse responses, determine whether the corresponding system is (i) memoryless, (ii) causal, and (iii) stable.
System impulse response h(t) = 3δ(t).
System impulse response h(t) = 3δ(t).
Question 10
The discrete-time signal
Where denotes a transform pair relationship, is orthogonal to the signal
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Jun 20ESE & GATE EC