2
lesson pretestMultiple Choice

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Question 2 • Physics

Which equation relates charge, time, and current?

Answer
A
I=Δ⁢q+t
B
I=Δ⁢q⁢t
C
I=Δ⁢qt
D
I=tΔ⁢q

Explanation

Current is the amount of charge transferred per unit time: I = Δq/t. Here, Δq is the change in charge and t is the time interval, so the matching choice is I = Δq/t.

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