I think I've found a different approach for a simple explanation:We know that the entropy of a system is a measure for the number of possible microscopic configurations for a given macroscopic parameters of the system.
Since we don’t know what is going on inside the event horizon, then the...
Hi everyone,Every time I read an article about black hole evaporation through Hawking radiation, it seems to me that the writer didn't bother to connect all the dots so it will be clear for dummies like me.In many articles, I find 2 contradictory statements:1. Black hole emits a radiation (i.e...
Hi everyone,
Anybody knows if the photon energy (frequency * Planck's constant) can be derived from more basic physical principles or this formula was "invented" to explain the photo-electric effect or black body radiation?
If you know a way to derive it, please share.
Thanks a lot !
Yeah I see now,
So you mean that the opposite bar will develop the same emf, and will be considered as a second battery, so the 2 batteries facing each other, so no current will flow, right?
Please confirm just to be sure...
Thanks a lot...
Hi everyone,
I've seen in some lecture notes that a moving conducting bar (length of L) in a uniform and constant magnetic field develops an electromotive force (emf) between the 2 edges of the bar.
Lets assume that the bar moves to the right (with velocity v) and the magnetic field (B) points...