# Inductor Circuit, separation of variables

1. Oct 17, 2012

### ElijahRockers

1. The problem statement, all variables and given/known data

V_o varies as V(t) = 2000e^(-100t) volts for t > 0

i1(0) = -6A
i2(0) = 1A
thus
i0(0) = 5A

Find i0(t) for t > 0.

I found Leq = 4H

V(t) = L di/dt

I separated variables and integrated, got 5e^(-100t)

but the software is telling me it's wrong... supposedly the answer is 5e^(-.1t) and I'm not exactly sure how....

thanks

2. Relevant equations

3. The attempt at a solution

2. Oct 18, 2012

### uart

They change the units of "t" to milliseconds. Their answer should have specified the units if not using SI.

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