Answer / s.r.mahesh

height of the antenna is inversely propotional to the
frequency of the signal.
Modulation shifts the low frequency signal to high
frequency signal. so the hight of the antenna is reduced.

Answer / sachin

Height of antenna required from reception of radio wave in radio transmission is the function of wave length of the frequency is used. The minimum of height of antenna

Define diffusion current in a semiconductor.

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what is amplification factor

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What are the different oscillators?

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