A transformer has 300 turns in its primary (input) coil and 20 turns in its secondary (output) coil. The primary (input) coil is connected to 800 V AC. What is the secondary (output) voltage?

stands for electromotive force and it is measured in volts. despite its name, it is not actually the force in the sense of being a "pushing" or "pulling" (not measured in newtons).an equation that relates emf,  ℰ,  to a battery's terminal voltage, v, current, i, and internal resistance, r, is    ℰ = v + irin this case, the emf can be interpreted as a voltage—a difference in electric potential.i would not say that it would be considered an energy. if emf can be defined as the energy/work per a unit charge from a battery or other electric source, then it is not strictly energy.

+10 that is always the common denominator

Phagocytes contain digestive enzymes to facilitate the process of phagocytosis