Q. When the phase velocity of an EM wave depends on frequency in any medium, the phenomenon is called

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Q. A hertzian dipole has a radiation pattern with

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Q. Circular polarized waves result when

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Q. Permeance is analogue to

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Q. Skip distance (D) is

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Q. 300 to 3000 MHz frequency is categorized as

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Q. The gain of an antenna with a circular aperture of diameter 3 metres at a frequency of 5 GHz, will be

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Q. The gain of a current element is

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Q. Poynting theorem relates the electric intensity E, magnetic intensity H to the rate of energy flow per unit area at a point P as

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Q. The absorption of EM wave by the atmosphere depends on

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Q. In end fire array the principle direction of radiation

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Q. The gain of an half wavelength antenna is

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Q. Which of the following does not characterize a ferromagnetic material?

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Q. Solution of Laplace equations, which are continuous through the second derivative, are called

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Q. The skip distance does not depends upon

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Q. Which one of the following statement is correct?

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Q. Frequency band used for radar is generally

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Q. In case of antenna the lower value of Q indicates

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Q. One volt equals

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Q. Magnetic susceptibility of a medium is the ratio of

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