Final answer:
A 12-volt car battery produces more current than a 1.5-volt TV remote battery because it has a greater difference in electric potential energy, higher total energy storage, and lower internal resistance which allows for a greater flow of current.
Step-by-step explanation:
The reason a 12-volt car battery produces more current than a 1.5-volt battery for a TV remote is due to the greater difference in electric potential energy of the car battery. Voltage is the energy per unit charge, indicating that while the voltage may be the same for different batteries, the total energy and thus the capacity to move charge and provide current differ. The car battery is designed to deliver a larger current because it has multiple cells connected in series (each producing 2 volts), resulting in a higher total energy storage.
Additionally, the physical size and internal design of car batteries mean they have a larger amount of electrolyte and lead plates, offering higher charge capacity and lower internal resistance. This reduced internal resistance allows for a greater flow of current as compared to smaller batteries like those for a TV remote. Therefore, even though the voltages can be the same across different battery types, the energy and current delivery capabilities are not equal.