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**positive**values.

Then, I removed the voltage source (i.e. battery). Now what I don't understand is, if I manually rotate the motor in one direction, the motor (acting as a generator), I get a

**positive**

*voltage*reading and a

**negative**

*current*reading.

If I rotate the motor (generator) in the other direction, I get a

**negative**

*voltage*reading and a

**positive**

*current*reading.

I don't understand, how can current flow against the voltage established by the generator? Can someone please explain this phenomenon to me? Thanks.