ECE :: Electromagnetic Field Thoery
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If the electric field intensity is given by
, the potential difference between x(2, 0, 0) and y(1, 2, 3) is -
Medium 1 has the electrical permittivity ε1 = 1.5 ε0 farad/m and occupies the region to the left of x = 0 plane. Medium 2 has the electrical permittivity ε2 = 2.5 ε0 farad/m and the occupies the region to the right of x = 0 plane. If E1 in medium 1 is
volt/m, then E2 in medium 2 is -
Polarization of a wave is
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Calculate the critical frequency for the E layer if maximum ionic densities are 3 x 106
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Calculate the directivity of a given linear end fire, uniform array of 20 element, each separated by λ/3
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For a 400 kHz transmission line having L = 0.5 mH/km, C = 0.08 mF and negligible R and G, the velocity propagation will be
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Antenna efficiency of antenna is, if radiation resistance is 370 Ω and loss resistance is 100 Ω
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At a particular time it is observed that the frequencies of F layer at Delhi is 3 MHz the maximum electron density is
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The effective length of an λ/2 antenna (Given Rr = 73 Ω and (Ae)max = 0.13 λ2 and η = 120 p is __________ .
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Calculate cut off frequency for dominant mode in rectangular waveguide if dimensions are a = 2, b = 1 cm.
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