(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A 12.8 micro-F capacitor is connected through a 0.890 M-ohm resistor to a constant potential difference of 60.0 v.

2. Relevant equations

q=CE(1-e^(-t/(RC))

i=(E/R)-(q/(RC))

3. The attempt at a solution

Compute the charge on the capacitor at the following times after the connections are made: 0 s, 5.0 s, 10.0 s, 20.0 s, and 100.0 s.

Solved for q and according to masteringphysics (the homework program we use) I got all the q values correct. Here they are:

0 , 2.7e−4 , 4.5e−4 , 6.4e−4 , 7.7e−4

Second part, and this is the part that I need help on. I think I'm right but the program says I'm incorrect on the fourth term

Compute the charging currents at the same instants. Calculated i:

6.74e-5 , 4.37e-5 , 2.79e-5 , 1.12e-5 , -1.76e-7

It says "Term 4: Very close. Check the rounding and number of significant figures in your final answer."

What am I doing wrong?

Thanks!

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# RC Time Constant Question (Easy)

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