Amplitude of the electric field produced by the radiation coming from a 100 W bulb at a distance of 3 m is E. The amplitude of electric field produced by the radiation coming from 60 W at the same distance is . Where the value of

Question

Amplitude of the electric field produced by the radiation coming from a 100 W bulb at a distance of 3 m is E. The amplitude of electric field produced by the radiation coming from 60 W at the same distance is $\sqrt{\frac{x}{5}} E$ . Where the value of $x$ = _____

Smart Achievers · Accepted Answer

(3)

$I = \frac{P}{4 π r^{2}} = \frac{1}{2} ε_{0} C E_{0}^{2}$

Solution

Q.
Amplitude of the electric field produced by the radiation coming from a 100 W bulb at a distance of 3 m is E. The amplitude of electric field produced by the radiation coming from 60 W at the same distance is $\sqrt{\frac{x}{5}} E$ . Where the value of $x$ = _____

Ans.
(3)

$I = \frac{P}{4 π r^{2}} = \frac{1}{2} ε_{0} C E_{0}^{2}$

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Solution

Q. Amplitude of the electric field produced by the radiation coming from a 100 W bulb at a distance of 3 m is E. The amplitude of electric field produced by the radiation coming from 60 W at the same distance is x5E. Where the value of x = _____

Ans. (3) I=P4πr2=12ε0CE02

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Q.
Amplitude of the electric field produced by the radiation coming from a 100 W bulb at a distance of 3 m is E. The amplitude of electric field produced by the radiation coming from 60 W at the same distance is $\sqrt{\frac{x}{5}} E$ . Where the value of $x$ = _____

Ans.
(3)

$I = \frac{P}{4 π r^{2}} = \frac{1}{2} ε_{0} C E_{0}^{2}$