PHYSICS · Single correct · A Level · Physics · Electricity · Electricity
Problem
27. The emf of a battery is 12 volts. When the battery delivers a steady current of 0.5 ampere to a load, the potential difference between the terminals of the battery is 10 volts. What terminal voltage would you expect if the battery were connected to a load with less resistance?
(A) 12 V
(B) 10 V
(C) Between 10 and 12 V
(D) Less than 10 V