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Charge through a cross - section of a conductor is giveb by `Q = (2t^(2) + 5t)C` . Find the current through the conductor at the instant t = 2 s.

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To find the current through the conductor at the instant \( t = 2 \) seconds, we start with the given expression for charge \( Q \): \[ Q(t) = 2t^2 + 5t \quad \text{(in coulombs)} \] ### Step 1: Differentiate the charge with respect to time The current \( I \) is defined as the rate of flow of charge, which can be mathematically expressed as: ...
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