The magnitude E of an electric field depends on the radial distance r according to E A/r
Chapter 24, Problem 72(choose chapter or problem)
The magnitude E of an electric field depends on the radial distance r according to E A/r 4 , where A is a constant with the unit voltcubic meter. As a multiple of A, what is the magnitude of the electric potential difference between r 2.00 m and r 3.00 m? 73
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