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Physics, 22.06.2019 00:20
Suppose that an electromagnetic wave which is linearly polarized along the xβaxis is propagating in vacuum along the zβaxis. the wave is incident on a conductor which is placed at z > 0 region of the space. the conductor has conductivity Ο, magnetic permeability Β΅ and electric permittivity Ξ΅. (a) find the characteristic time for the free charge density which dissipates at the conductor. (b) write the maxwell equations and derive the wave equation for a plane wave propagating in a conductor. (c) find the attenuation distance at which the incident amplitude reduces to e ^β1 of its initial value. (d) find the electric and magnetic fields inside the conductor. 8 (e) find the power loss per area of the incident electromagnetic wave at the surface of conductor.
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Physics, 22.06.2019 18:00
Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block
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Physics, 22.06.2019 23:40
Acar jack with a mechanical advantage of 6 needs to produce an output force of 600 n to raise a car. what input force is required? 6 n 100 n 600 n 3,600 n
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Physics, 23.06.2019 04:50
How does the motion of an airplane compare to the motion of a rocket ?
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