Calculate the electric and magnetic fields produced by the radiation coming from a 30 \pi {W} bulb at a distance of 3 {m}. Assume that the efficiency of the bulb is 10 \% and it is a point source.

Correct Answer is : 2.64×10−8T

AMU Engineering 2020 solved paper Solved Paper

Section: Physics

Question : 8 of 150

Marks: +1, -0

Calculate the electric and magnetic fields produced by the radiation coming from a 30πW bulb at a distance of 3m. Assume that the efficiency of the bulb is 10% and it is a point source.

0.22×10−8T
0.88×10−6T
0.22×10−6T
2.64×10−8T

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