A point source of electromagnetic radiation has an average power output of \( 1500 \mathrm{~W} \...

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A point source of electromagnetic radiation has an average power output of \( 1500 \mathrm{~W} \). The maximum value of electric field at a distance of \( 3 \mathrm{~m} \) from this source in \( \mathrm{Vm}^{-1} \) is
[Kerala PET 2009]
(a) 500
(b) 100
(c) \( \frac{500}{3} \)
(d) \( \frac{250}{3} \)
(e) \( 10 \sqrt{5} \)
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