In the given circuit, find Vo.
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Solution
The power of the signal s(t) = 8 cos \(\left ( 20\pi t-\frac{\pi }{2} \right )\) + 4 sin (15 πt) is _________
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Solution
A two-port network whose transmission parameters are given as 10, 9, 11 and 10 corresponds to A, B, C and D.Following two statements are made
1.Network satisfies reciprocity property.
2.Network satisfies symmetry property.
Choose the correct option.
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Solution
A = 10, B= 9, C= 11, and D = 10
Here, A = 10, B= 9, C = 11, D= 10 Q
∵ A = D
∴ Condition for symmetry is satisfied.
Also, AD – BC = (10) (10) – (9) (11)
= 100 – 99 = 1
∴ Condition for reciprocity is not satisfied
Find power spectral density of auto-correlation function\(=-\frac{\tau ^{2}}{e^{2^{\sigma ^{2}}}}\)
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Solution
The hysterisis voltage for the Schmitt trigger circuit shown in the given figure, if Vsat= ± 10 V in volt is ______.
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Solution
Let δ(t) is the delta function the value of integral \(\int_{-\infty }^{+\infty }\delta (t)cos(\frac{3t}{2})dt\) is _________
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Solution
1
What is the rank of the matrix \(\begin{bmatrix} 0\: 0\: -3 & & \\ 9\: 3\: 5 & & \\ 3\: 1\: 1 & & \end{bmatrix}\) is___________
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Solution
2
The type of partial differential equation \(\frac{\partial f}{\partial t}=\frac{\partial ^{2}f}{\partial x^{2}}\) is
The minimum point of the function \(\frac{x^{3}}{3}-x\) is at
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Solution
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Solution
\(\underset{x\rightarrow \infty}{Lt}\frac{sin\: x}{x}=\frac{finite\: value}{\infty }=0\)