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govindkedar

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govindkedar • 280
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Electrical Engineering
Mumbai University (MU)

Top contributions by govindkedar

3
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A 9375 MHz uniform plane wave is propagating in polystyrene. If the amplitude of the electric field intensity is 20 V/m and the material is assume to be lossless.
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
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In the region 0<r<0.5 m in cylindrical co-ordinates system, the current density is, $\overline{J}=4.5e^{-2r}\hat{a_{z}}A/m^2$ and J=0 elsewhere.Use Ampere's Circuital Law to find H in all regions.
electromagnetic field and wave theory updated 2.9 years ago by shyamdon0508 • 20
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Planes z=0 and z=4 carry a current $\overline{K}=-10\hat{a_{x}}\space A/m$ and $\overline{K}=10\hat{a_{x}}\space A/m$ respectively. Find $\overline{H}$ at points (i) P(1,1,1) and (ii) Q(0,-3,10).
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
3
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3.8k
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Two point charge of equal mass m, charge Q are suspended at a common point by two threads of negligible mass and length l.
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
3
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3.4k
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Express vector $B=\frac{10}{r}\hat{a_{r}}+r\cos\theta\hat{a_{\theta}}+\hat{a_{\phi}}$ in Cartesian and cylindrical coordinates. Find B(-3,4,0) and $B=(5, \frac{\pi}{2},-2)$.
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
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3.1k
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Determine whether the following potential fields satisfied Laplace equation or not? (i) $V=4x^{2}+3y-4z^{2}$ (ii) $V=r\sin\phi+z$
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
3
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3.0k
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Evaluate both sides of the divergence theorem for the region r $\leq$ 2, if $G=5r \sin^{2}\theta\cos^{2}\phi\space\hat{a_{r}}$.
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
2
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2.9k
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Given that $D=\frac{5r^{2}}{4}\hat{a_{r}}$ $c/m^{2}$ in spherical coordinates, evaluate both sides of the divergence theorem for the volume enclosed by r=4 m and $\theta=\frac{\pi}{4}$ radian.
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
3
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2.8k
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For a lossy dielectric material having $\mu_{r}=1$, $\epsilon_{r}=48$ and $\sigma=20 s/m$. Calculate the propagation constant at a frequency of 16 GHz.
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
2
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2.8k
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The magnetic field intensity of a uniform plane wave in air is 20 A/m along the $\hat{a_{y}}$ direction.The wave is propagating in the $\hat{a_{z}}$ direction at a frequency of $2\times 10^9 rad/sec$
electromagnetic field and wave theory updated 3.0 years ago by sagarkolekar ★ 11k
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