The time dependence of the field strength in the wire (U= 10cm^2/(V*s); n = 2.2*10^23 cm^-3; S= 1mm^2) has the form E= 0.04t V/m . Find: the charge passing through the cross section of the wire during the time interval from t1 = 2 s to t2 = 4 s; the amount of heat released into 10 cm^3 wires during this time.

Problem 30826. Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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