The current strength i in the conductor varies in time

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The current strength i in the conductor varies in time according to the equation i = B + Ct, where B = A 4; C = A 2 / s. What is the amount of electricity passing through a cross-section of from time t1 = c 2 to 6 t2 = c? When a DC power through the I cross-section extends the same amount of electricity?

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Task 31581. Detailed recording solution formulas and the laws used in the decision.
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