For a 400 kHz transmission line having L = 0.5 mH/km, C = 0.08 mF and negligible

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Question
For a 400 kHz transmission line having L = 0.5 mH/km, C = 0.08 mF and negligible R and G, the value of propagation constant P will be
Options
A. 15.9 radians/km
B. 31.8 radians/km
C. 63.6 radians/km
D. 105.4 radians/km

Correct Answer

15.9 radians/km

Explanation

? = a + j?, a = 0 ? = ?LC.

Electromagnetic Field Theory problems

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A.
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A. 3 x 10⁸ m/s
B. more than 3 x 10⁸ m/s
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D. high

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Options
A. 6.25 cm
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7. Radiation intensity of a dipole depends strongly on frequency. If at a frequency f, the intensity of radiation is 'I'. Then at a frequency of f/2, the intensity will be
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A.
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A. 1/4 p?₀ times the volume charge density
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Options
A. 196 W
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C. 36.5 W
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10. A rectangular metal waveguide filled with a dielectric of relative permittivity ?_r = 4, has the inside dimensions 3 x 1.2 cm, the cut off frequency for the dominant mode is
Options
A. 2.5 GHz
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