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Show that the minimum length of antenna ...

Show that the minimum length of antenna required to transmit a radio signal of frequency 10 MHz is 30m.

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Here, `f=10MHz=10^(7)Hz` , `lambda= (c)/(f) =(3xx10^(8))/(10^(7)) =30m`
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  15. The characteristic impedance of a co-axial cableis of the order of:

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  16. Long distance short - wave radio frequency broadcasting uses:

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  17. Propogation constant of a transmission line is :

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  18. The T.V.Transmission tower in Delhi has a height of 240m. The distnace...

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  19. The number of telephone conversations by a fibre of band width 40MHz, ...

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  20. Distance of propogation from antenna of height 20m is

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