Question

how a diode can act as a capacitor

Answer 1

A capacitor blocks DC and a diode also blocks dc in reverse bias

Answer 2

but diode acts as a variable capacitor. is it true?

Answer 3

Back to the Future

Answer 4

future....? is it true or i am thinking wrong?

Answer 5

a diod can act as a capacitor
the deplition region in diod acts as a capacitor as it also stores energy similar to capacitor in electric field

Answer 6

you mean to say that the depletion region only stores the energy and the depletion region only acts as capacitor...isn't it..?

Answer 7

yes ,i think so dude