A current of 10ua is usually not enough to drive the motor directly. Some additional circuit or element is usually required to enhance the current or voltage enough to drive the motor. For example, a driver chip or converter can be used to convert 10ua current into enough current to drive a small motor. In addition, a gain or amplifier can be used to enhance the current or voltage. In summary, although 10ua current is not enough to directly drive a small motor, it can be converted into enough current or voltage to drive a small motor by using the appropriate circuit or component.