Homework Statement
What is the approximate electric field strength of the electromagnetic waves radiated by a 100-W light bulb, measured 3.0m from the bulb?
Homework Equations
$$\vec{E}=\frac{kq}{d^{2}}$$
$$P=\frac{2kq^{2}a^{2}}{3c^{3}}$$
The Attempt at a Solution
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