Question

Solve the equation E = v + Ir for r

Answer 1

Answer:

A. $\text{r} = \frac{\text{E}-\text{v}}{\text{I}}$

Step-by-step explanation:

E = v + Ir

E - v = Ir (subtract by v on both sides)

(E-v)/I = r (divide by I on both sides)

$\therefore \text{r} = \frac{\text{E}-\text{v}}{\text{I}}$