Which is a benefit of direct current (DC)?

Direct current (DC) has the distinct advantage of being easily stored chemically, which is a fundamental reason for its widespread use in batteries and various energy storage solutions. This ability to store energy in chemical form allows DC to efficiently power devices like portable electronics, electric vehicles, and renewable energy systems, where energy needs to be captured and used later.

When it comes to portable power applications, the capacity to store electricity chemically enables the use of batteries that can deliver consistent power output until they are depleted, making them incredibly useful in applications where immediate access to power is essential. This benefit of chemical storage also means that DC can be harnessed from renewable sources like solar panels, allowing for energy to be stored for use even when the energy source isn't actively producing power.

In contrast, while AC is generally more suitable for long-distance transmission due to its ability to be stepped up to high voltages (which reduces losses), that characteristic doesn't apply to DC in the same way. Therefore, the storage capability of DC is a crucial benefit that supports its use in modern technology and sustainable energy solutions.