- #1
Carolyn
- 37
- 0
Hi, so I know that VI = P cos (theta), but during an experiment using a step up transformer,
I got the primary voltage 7.42V, primary current 0.41A, and primary power 3.2W. How then should I calculate the angle theta. I can't use arcosine, 'cause that will give me undefined.
Thanks a lot.
I got the primary voltage 7.42V, primary current 0.41A, and primary power 3.2W. How then should I calculate the angle theta. I can't use arcosine, 'cause that will give me undefined.
Thanks a lot.