Charge and current relationship

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Teszla

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Suppose that the charge versus time for a given circuit element is given by

\[q(t)=2-2e^{-100t} C\]

Could you give an example of a circuit element where this function would be applicable?
 

I hope this is not a home-work question.

Why do you need to find current,you can directly say from charge profile what circuit element resembles.
For sake of your title being charge & current relationship,find current,using relationship between I & Q.

The charging currents of a capacitor & inductor matches it,but the values you get for V0(capacitor),I(inductor)!!!!!
 
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It's not a homework question, but I want to understand how it works. In this case, the graph of the charge versus time (see the function q(t)) goes from 0 to 2 C in milliseconds, and stays constantly at 2 C. I wonder what kind of device would do this?
 
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