Current with Calculus Video Lessons

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Problem: The quantity of charge q (in coulombs) that passes through a cross section of a wire varies with time according to the equation q(t) = 5(1-e-4t) μC. What is the (instantaneous) current through the cross section at t=0s? a. -15 μA b. +5 μA c. +20 μA d. -20 μA e. +25 μA

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The quantity of charge (in coulombs) that passes through a cross section of a wire varies with time according to the equation q(t) = 5(1-e-4t) μC. What is the (instantaneous) current through the cross section at t=0s?

a. -15 μA

b. +5 μA

c. +20 μA

d. -20 μA

e. +25 μA

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