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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

A. $E/2$

B. $E/\sqrt{2}$

C. $\sqrt{2}/E$

D. $2E$

Answers (1)

$I\propto \sqrt{P}$

The answer is the option (b) $E/\sqrt{2}$

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infoexpert21

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