- #1
Guidestone
- 93
- 5
Hey guys. I just opened up a case from an AC to DC adapter and I noticed a 1kohm resistor in the circuit. I remembered a class I had about voltage supplies and I remember there were diagrams with a transformer, full bridge rectifiers, capacitors and at the end of them there was a resistor. The resistor was placed in such a way that we could measure the output rectified voltage across its terminals. However, if I'm not mistaken, we could obtain the same voltage measures whether that resistor was there or not, so, my question is, what is that resistor for? Is it to limit the current whenever I connect a load to it? The back of the case has 300mA maximum on it.
Thanks a lot!
Thanks a lot!