The peak electric field produced by the radiation coming from the 8   W bulb at a distance of 10   m is x 10 μ 0 c π   V   m - 1 . The efficiency of the bulb is 10 % and it is a point source. The value of x is,

Question

The peak electric field produced by the radiation coming from the 8 &#160; W bulb at a distance of 10 &#160; m is x 10 &#956; 0 c &#960; &#160; V &#160; m - 1 . The efficiency of the bulb is 10 % and it is a point source. The value of x is,

Aicharya · Accepted Answer

I = 1 2 c &#949; E 0 2 0 8 4 &#960; &#215; 10 2 &#215; 1 2 = 1 4 &#215; c &#215; 1 &#956; 0 c 2 &#215; E 0 2 E 0 = 2 10 &#215; &#956; 0 c &#960; &#8658; x = 2

The peak electric field produced by the radiation coming from the 8   W bulb at a distance of 10  …

Solution

The peak electric field produced by the radiation coming from the 8 &#160; W bulb at a distance of 10 &#160;…

Solution

The peak electric field produced by the radiation coming from the 8 W bulb at a distance of 10 …