The Student Room Group

MCQ about current - Jan 2012

Why is the answer D? Can someone please explain? If it'd be a capacitor, I could try to make sense of it .. but it isn't

http://i59.tinypic.com/5eblok.jpg
Maybe it would help if you were to assume that "T" was actually at 0. You would get that exponential decrease that can be seen in the curve. Try and think about what is actually happening in the system.

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