Answer:
Kirchhoff's second rule requires emf − Ir − IR1 − IR2 = 0. Rearranged, this is emf = Ir + IR1 + IR2 = 0
Explanation:
which means the emf equals the sum of the IR (voltage) drops in the loop.
Rearranged: emf = Ir + IR1 + IR2 = 0
