Hi all,
I have a conceptual difficulty with the idea of induction of a current in a wire due to a changing magnetic field.
Initially I was very comfortable with the idea. Upon seeing the typical setup of a square wire being rotated in a region of uniform magnetic field, I was happy to accept...
Hello all,
I had a question about Electromagnetic waves. Although it isn’t homework (just to settle something in my own mind) I thought this would be the best place to put it.
Perhaps it would be best if I could explain a situation I could understand and then hopefully someone could bridge...
While I was reading your post, it didn't occur to me to use the method you mentioned. If you are keen to take the energy approach and it works for you, by all means do!
However, the answer you quoted can be reached by just using Newton's laws of motion. Perhaps it would be easier for you to...