- #1
quietrain
- 655
- 2
i am not sure if this is considered electrodynamics under classical forum but oh well, here goes
i was reading wiki about p-n diodes and its that for reverse bias diode, because of the anode attracting the holes WITH the cathode attracting the electrons, the depletion zone widens and causes an increase in voltage barrier, so current will be harder to flow.
so when breakdown voltage is reached, the electric field due to the depletion zone breaks down and current flows. so what exactly does the electric field breakdown means?
also regarding rectified ac, i realize that when i rectify an AC source half or full wave, it seems that the oscilloscope shows
with the blue part rectified wave, and red the ac transformer source.
so why issnt the blue part directly fitting the red curve? i have to adjust the position of the blue curve upwards on the oscilloscope to fit nicely.
also when full wave rectifying, what gives the extra rectified upward curve? is it the diode causing the original downward ac curve to flip up?
thanks loads sry for the long question
i was reading wiki about p-n diodes and its that for reverse bias diode, because of the anode attracting the holes WITH the cathode attracting the electrons, the depletion zone widens and causes an increase in voltage barrier, so current will be harder to flow.
so when breakdown voltage is reached, the electric field due to the depletion zone breaks down and current flows. so what exactly does the electric field breakdown means?
also regarding rectified ac, i realize that when i rectify an AC source half or full wave, it seems that the oscilloscope shows
with the blue part rectified wave, and red the ac transformer source.
so why issnt the blue part directly fitting the red curve? i have to adjust the position of the blue curve upwards on the oscilloscope to fit nicely.
also when full wave rectifying, what gives the extra rectified upward curve? is it the diode causing the original downward ac curve to flip up?
thanks loads sry for the long question