Final answer:
Increasing the number of coils/windings in the armature of a generator increases the output of the generator.
Step-by-step explanation:
Increasing the number of coils/windings in the armature of a generator increases the output of the generator. This is because the induced emf (electromotive force) is proportional to the rate of change of magnetic flux with respect to distance. By increasing the number of coils, we increase the rate of change of magnetic flux, which leads to a higher output emf.
For example, if we double the number of coils in the armature, the output emf will also double. This means that the generator will produce more electrical energy.