0 votes
1 answer
2682
Consider sinusoidal modulation in an AM system. Assuming no overmodulation, the modulation index ($\mu$) when the maximum and minimum values of the envelope, respectively...
0 votes
0 answers
2684
Which one of the following field patterns represents a TEM wave travelling in the position $x$ direction?$E= +8\hat{y,} \: H = -4\hat{z}$$E= -2\hat{y,} H = -3\hat{z}$$E= ...
0 votes
0 answers
2686
The real part of an analytic function $f(z)$ where $z = x + jy$ is given by $e^{-y} \cos(x)$. The imaginary part of $f(z)$ is$e^{y} \cos( x )$$e^{-y} \sin( x )$$-e^{y} \s...
0 votes
0 answers
2687
The maximum value of the determinant among all $2 \times 2$ real symmetric matrices with trace $14$ is __________.
0 votes
0 answers
2688
If $\overrightarrow {r}= x\hat{a_{x}}+y\hat{a_{y}}+z\hat{a_{z}}$ and $\mid \overrightarrow{r} \mid= r$ , then $\text{div} ( r^{2} \nabla ( \text{ln }r ) )$ = _______ .
0 votes
0 answers
2690
0 votes
0 answers
2692
In the magnetically coupled circuit shown in the figure, $56 \%$ of the total flux emanating from one coil links the other coil. The value of the mutual inductance (in H)...
0 votes
0 answers
2696
0 votes
0 answers
2698
For the MOSFETs shown in the figure, the threshold voltage $\mid V_{t} \mid= 2$ V and $K= \frac{1}{2}\mu C_{ox} ( \frac{W}{L} ) = 0.1 \: mA/V^{2}$. The value of $I_{D}$ ...
0 votes
0 answers
2699
In the circuit shown, choose the correct timing diagram of the output (y) from the given waveforms $W1$, $W2$, $W3$ and $W4$. ...
0 votes
0 answers
2700
0 votes
0 answers
2702
0 votes
0 answers
2704
The value of the integral $\int_{-\infty }^{\infty } \text{sinc}^{2}(5t) \: dt$ is _______.
0 votes
0 answers
2707
0 votes
0 answers
2713
In the transmission line shown, the impedance $Z_{\text{in}}$ (in ohms) between node A and the ground is _________.
0 votes
1 answer
2715
0 votes
0 answers
2718
The statistics of runs scored in a series by four batsmen are provided in the following table. Who is the most consistent batsman of these four?$$\begin{array}{|c|c|c|}\h...
0 votes
0 answers
2719
0 votes
0 answers
2720
Find the odd one from the following group:$W,E,K,O \qquad I,Q,W,A \qquad F,N,T,X \qquad N,V,B,D$$W,E,K,O$$I,Q,W,A $$F,N,T,X $$N,V,B,D$