Rectifier diode : is Denoted by " D "
in the function of rectifier diode to convert the voltage from AC to DC
Zenor Diode : is denoted by "ZD"
Symbol:
Function: To drop the entire voltage in to ground and maintain with constant voltage
LED-Diode : ( light-emitting diode )
Symbol:
it is use as a indicator.
checking process:
ok = one side value and other side nothing value
one side high value and other side low value
Dameg = Both side same value
Both side Nothing
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