Find the current in the wire at given time

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Reference no: EM131005571

The quantity of charge Q in coulombs (C) that has passed through a point in a wire up to time t (measured in seconds) is given by Q(t) = t² - 2t² + 4t + 5.

Find the current when t= 0.4s.

Find the current when t= 1 s.

At what time is the current the lowest?

Reference no: EM131005571

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