The electric field intensity produced by the radiations coming from 100W bulb at a distance 3m is `E_(0)`. The electric field intensity produced by the radiations coming from 50W bulb at the same distance the tower is `1000 km^(-2)` ? (radius of the earth `=6.37 xx 10^(6)m`)

Options

A. `(E )/(2)`
B. 2E
C. `(E )/(sqrt2)`
D. `sqrt2E`

Answer

D

Explanation

The electric field intensity produced by radiations coming from 50W bulb at the same distance is `sqrt2E`