Q. An electric charge Q is placed in a dielectric medium which of the following quantities are independent of the dielectric constant ε of the medium

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Q. A square corner reflector is used in

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Q. A square corner reflector is used in which of the following?

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Q. High frequency waves are

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Q. The direction of vectors gives the direction of propagation of electromagnetic waves

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Q. According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when

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Q. Maxwell's divergence equation for the magnetic field is given as

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Q. Which antenna is a wideband antenna?

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Q. The radiation pattern of loop antenna is

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Q. Maxwell's curl equation for the static electric field E can be expressed as

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Q. The unit of ∇ x H is

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Q. A λ/8 section of transmission line is determined of load impedance of (2 - j 5) Ω. If characteristic impedance of line is 10 Ω. Then input impedance of line is

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Q. Long distance short wave radio broadcasting based on

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Q. A loop antenna is a commonly used for

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Q. For transmission line load matching over a range of frequencies, it is best to use a

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

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Q. The main disadvantage of the two-hole directional coupler is

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Q. The radiation pattern of a parabola antenna is

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Q. The Q of a resonant transmission line is

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Q. In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include

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