Homework Statement
A coil has 3.65 \Omega resistance and 410 mH inductance.
If the current is 3.94 A and is increasing at a rate of 3.31 A/s, what is the potential difference across the coil at this moment?
Homework Equations
V = IR
Induced emf = -L * dI/dt
The Attempt at a...
Thank you!
A very frustrating problem involving physics, and I finally decided to create an account and ask. And I typed up my problem, equations and all. But as I typed a certain equation, I suddenly wondered why I had cos in one place and sin in another. That was a mistake, and after fixing...