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Task 30058.
An element with an EMF of 2 V and an internal resistance of 1 Ω is connected to a copper conductor of length l = 100 m. The current in the conductor is I = 1 A. What is the current density in the conductor?
A detailed solution with a brief record of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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