Electromagnetic-theory Questions Set 43:
The self inductance of a magnetic coil is proportional to ___________
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A magnetic field B = 50 × 10-6 T and the current density, J = 20 A/m2. Find the area of the magnetic field.
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A charge Q0 is located at the origin in free space produces a field for which Ez = 1KV/m at point P(-2, 1, -1). Find Q0.
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Calculate the attenuation constant of a conductor with conductivity 200 S/m and frequency 1 MHz in air.
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Calculate the magnetic field intensity when the flux density is 3.9 × 10-6 Tesla. (Consider the medium to be air)
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A magnet can be completely demagnetized by
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A transmission line whose characteristic impedance is real:
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Resistances of 1 Ω, 2 Ω, and 3 Ω are connected to form a triangle. If a 1.5 V cell of negligible internal resistance is connected across the 3 Ω resistor, the current flowing through this resistor will be
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The phase velocity of electromagnetic wave propagation in a hollow metallic rectangular waveguide in the TE10 mode is:
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How does the polarization of light prove the transverse wave nature of light?
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