Electromagnetic-theory Questions Set 56:
Which of the following are not electromagnetic waves?
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Phase velocity of EM waves having relative permitivity of 9 and frequency of 6Mhz ?
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The power of a wave with an electric field intensity of 7.5 units in air is ______.
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The distance of the conductor when the cross-sectional area is 20 m2 and the length is 12.62 m.
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When a compact disc is illuminated by white light, colored lines are observed. This is due to:
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A radar receives an echo from a target 20 μsec after sending the signal. What is the approximate range of the target (in km)?
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The cross product of the electric (E) and magnetic (H) components of an electromagnetic (EM) wave is 3+9j. Find the power of the EM wave.
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The susceptibility of a magnetic substance is found to depend on temperature and the strength of the magnetizing field. The material is a:
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A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m² with a velocity of 50 m/s. The induced emf in the conductor will be _____ V
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Electric intensity at a point is defined as the force experienced per unit positive charge at a point placed in the electric field.
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