Question

An EM wave radiates outwards from a dipole antenna, with E₀ as the amplitude of its electric field vector. The electric field E₀ which transports significant energy from the source falls off as(a) $\frac{1}{r^{3}}$(b) $\frac{1}{r^{2}}$(c) $\frac{1}{r}$(d) remains constant

Answer 1

HERE IS YOUR ANSWER :-

Option No. B

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