puzzled

[westernoutlaw]

i have a motor out of a rv heater.i can hand turn it and get 1 v dc power. i switch to ac on my meter and get 2 v ac.thought it should only put out dc.(dc motor?)

 heater had switch to run off ac or dc.(with transformer ? ) or is motor wired for both?

[drdongle]

 The motor is DC however your meter set to AC will see the pulsing of the DC as a small AC voltage.

Carpe Vigor

Dr.D

[tecker]

  A slide From north to south will creat a Zero point with voltage above and below depending on the direction of the coil winding of coarse . The Brushes connect the different coils on the armature that is wound in the same direction so you'll see a alternating current as they pass through the  the field magnet north south etc. Put a diode in there and a cap youll see what the no load will be.

[Opera House]

What you see may not be what you get.  Some low cost meters will also indicate DC as an AC voltage.  This can be checked by measuring a battery on AC.  To remove DC component, put a 1 uf non electrolytic capacitor in series with the lead.