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An EM wave radiates outwards from a dipole antenna, with $\mathrm{E_{o}}$ as the amplitude of its electric field vector. The electric field $E_{o}$ which transports significant energy from the source falls off asa) $1 / \mathrm{r}^{3}$b) $1 / \mathrm{r}^{2}$c) $1 / \mathrm{r}$d) remains constant
An EM wave radiates outwards from a dipole antenna, with $\mathrm{E_{o}}$ as the amplitude of its electric field vector. The electric field $E_{o}$ which transports significant energy from the source falls off as
a) $1 / \mathrm{r}^{3}$
b) $1 / \mathrm{r}^{2}$
c) $1 / \mathrm{r}$
d) remains constant
CBSE | Class 12 | Electromagnetic Waves | NCERT Exemplar | Physics
An EM wave radiates outwards from a dipole antenna, with $\mathrm{E_{o}}$ as the amplitude of its electric field vector. The electric field $E_{o}$ which transports significant energy from the source falls off as
a) $1 / \mathrm{r}^{3}$
b) $1 / \mathrm{r}^{2}$
c) $1 / \mathrm{r}$
d) remains constant

c) $1 / \mathrm{r}$

i

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