Physics

Physics, 18.03.2021 01:10, love0000

A very long aluminum wire has a radius of 1 cm and a uniform charge density σ = 6 x 10^-5 C/m² over its area. 1. What is the charge on 1 m of this wire?

2. What is the linear charge density of the wire?

3. What is the electric field at a point 7.8 cm away from the surface of the wire?

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