A very small source of light that radiates uniformly in all directions produces an electric field amplitude of 2.96 V/m at a point 33.0 m from the source
What is the power output from the source? (c = 3.00 × 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2)
159 W
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The circuit below shows three resistors in series. R3>R2>R1. The resistors are all made of the same wire with the same diameter but have different lengths. Rank the magnitudes of the electric fields in the resistors from least to greatest.
A. E3
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The potential difference between the terminals of a battery, when current flows to an external circuit, is referred to as the
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