Q. Which of the following statement is false?

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Q. The useful magnetic flux obtainable from any closed surface is

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Q. The voltage and current distributions on a grounded λ/4 dipole (Marconi antenna) are similar to those of a half wave dipole in space.

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Q. The equation ∇ . J = 0 is called

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Q. The capacitance between two spheres, whose separation is very much larger than their radii R, is given approximately as

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Q. If ωε is the displacement current factor and s is conduction current density factor then which of the following statements is incorrect?

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Q. Parabolic and lens antenna used at

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Q. Which of the following statement regarding waveguides is incorrect?

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Q. The potential that appears at a point in space due to the current which caused it is called potential

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Q. It is best to use for coupling a coaxial line to a parallel wire transmission line.

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Q. In H-plane metal plate lens the travelling wave front is

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Q. MUF is depend upon

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Q. In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as

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