strange resistor

this is a diagram for one transformr that AC-DC but there is a resistor that is really buging me...

by boy2018
August 30, 2018

1 Answer

Answer by mikerogerswsm

The circuit as depicted contains quite a few obvious errors.

R1 links AC ground to DC ground. It is greater than zero ohms to prevent a hum loop and less than infinity to prevent static building up. Its value could be anything between 10 ohms and 1k ohm.

+1 vote
by mikerogerswsm
August 30, 2018

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