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Electromagnetic Field And Wave Theory

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1.3k
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Find the relative permittivity of the dielectric material used in a parallel plate capacitor, if-
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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In a charge free region the magnetic field intensity is given by $\overline{H}=H_{m}\cos \beta z \cos\omega t\space\hat{a_{y}}$, By using Maxwell's equation calculate electric field intensity.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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Derive differential and integral form of Maxwell equation from Gauss law for electric fields. OR State and explain Maxwell's third equations for time varying fields.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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1.2k
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State and explain Maxwell's equations for time varying fields. OR Derive the set of Maxwell's equations for static fields and harmonically time varying fields.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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Consider an interface in the Y-Z plane. The region x < 0 is medium-1 with $\mu_{r1}=4.5$ and magnetic field, $\overline{H}=4\hat{a_{x}}+3\hat{a_{y}}-6$. The region x > 0 is medium-2 with $\mu_{r2}=6$.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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1.2k
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Derive from the Maxwell's equations the wave equations in free space.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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Verify whether the following fields $\overline{E}=(2\cos x \sin t)\hat{a_{y}}$ and $\overline{H}=(\frac{2}{\mu_{0}}\cos x \cos t)\hat{a_{z}}$. Satisfy Maxwell's equation in free space.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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Derive differential and integral form of Maxwell equation from Faraday's law. OR State and explain Maxwell's first equations for time varying fields.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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995
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Define the terms. a) VSWR, b) ISWR, c) Phase velocity, d) Group velocity and e) Propagation constant.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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953
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Explain and prove that electric field intensity is equal to the negative of electric scalar potential.OR Explain the concept of potential gradient and the relation between electric field and potential
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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945
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State & explain Biot Savart's law.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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912
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Derive differential and integral form of Maxwell equation from Ampere's law. OR State and explain Maxwell's second equations for time varying fields.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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893
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State and explain Skin effect.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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773
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Derive differential and integral form of Maxwell equation from Gauss law for magnetic fields. OR State and explain Maxwell's fourth equations for time varying fields
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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760
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A current sheet, $\overline{K}=10\hat{a_{x}}\space A/m$ lies in the z=0 m plan and current filament is located at y=0 m, z=6 m. Determine current and its direction if $\overline{K}=0$ at (0,0,2.5) m.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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757
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Derive magnetic boundary conditions.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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720
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Prove that the electric flux passing through any closed surface is equal to the total charge enclosed by that surface.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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706
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Derive the expression for integral form and point form of the continuity equation.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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685
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Show that following field vectors, in the free space, $\overline{E}=E_{0}\cos (\omega t-\beta z)\hat{a_{x}}$ $\overline{H}=\frac{E_{0}}{\eta}\cos (\omega t-\beta z)\space\hat{a_{y}}$
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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674
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Definition and physical interpretation of gradient.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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660
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Define Curl, Divergence and Gradient
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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646
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Derive the Poission's and Laplace equation. And the one dimensional Laplace's equation is as $\frac{\partial^{2}v}{\partial^{x^{2}}}=0$,
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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639
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Write a short note on Electric dipole.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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632
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Explain the procedure for obtaining the vectors and unit vectors.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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625
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At the boundary of two perfect dielectric materials, $\epsilon_{1}$ and $\epsilon_{2}$, $D_{1}$ is incident at an angle $\theta_{1}$, with respect to normal to the boundary surface.
electromagnetic field and wave theory updated 2.6 years ago by sagarkolekar ★ 11k
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