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) = t3- 4t² + 6t + 5. [The unit of current is an ampere1 A = 1 C/s.](a) Find the current (in A) when t = 0.5 s.A(b) Find the current (in A) when t = 1 s.AAt what time (in s) is the current the lowest?t =

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point in a wire up to time t (measured in seconds) is given by Q(t) = t3- 4t2 + 6t + 5. [The unit of current is an ampere The quantity of charge Q in coulombs (C) that has passed through 1A = 1 C/s.] (a) Find the current (in A) when t = 0.5 s. A (b) Find the current (in A) when t = 1 s. A At what time (in s) is the current the lowest?