Ohm's law doesn't seem to be working for this electric motor
Have you ever played around with an electric motor connected to something like a light bulb or another motor? If you spin the motor, the motor acts like a generator and spins the other motor or lights the light bulb. The same thing happens when the motor is spinning under electrical power, the motor will behave like a generator, looking something like this:







simulate this circuit &ndash; Schematic created using CircuitLab

Notice how although you see 12V across the motor, the motor resistance only sees 1V, making the current through the motor 100mA instead of 1.2A. This phenomenon is called Back-EMF, and is the reason why motors will draw a huge current on startup, but not much when running normally (when you turn on your vacuum the lights dim for an instant).