Assuming a resistances of 10 Ω, 5 Ω and 2 Ω for RA, RB, and Rc respectively and a potential difference of 30 V, what is the value of the current in each branch of the circuit? What value do you get when you add
the current on each branch together? (Parallel Circuit)

The answer is 12, for the points

Answer///air resistance,drag;

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.