engineering recuitment GATE ECE 2023-24 Test Series Physics Electromagnetic Waves Electromagnetic Spectrum
The electric field intensity produced by the radiations coming from 100 W bulb at a 3 m distance is E. The electric field intensity produced by the radiations coming from 50 W bulb at the same distance is
1
\(\frac{E}{2}.\)
2
2E.
3
\(\frac{E}{\sqrt2}.\)
4
\(\rm \sqrt2E.\)