Ripple in a power supply unit is caused by
...Ripple in a power supply unit is caused by
using an alternating current source
forward voltage drop
heavy load
using a zener diode
Correct answer is A
The fluctuation of d.c signal results from the rectification of A.C source to d.c.
In comparing the camera and the human eye, the film of the camera function as the? ...
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Which of the following is correct about an electric cell? ...