Why does AM radio fade out when you are under a bridge but FM does not?
2 answers
Primarily because of the wavelength. THE bridge shortens the available space for the long wave signal to travel thru, it is truncated. However, the FM wave, of much shorter wavelength, does not "notice" the bridge.
if the total current in a two-branch parrallel circuit is 500 mA AND THE RESISTIVE CURRENT IS 250 mA, what is the value of inductive current