A user plugs their laptop into a wall outlet using its power adapter. What type of electrical current is supplied from the power adapter to the laptop's charging port?
Pulsating Current (PC)
Resistive Current (RC)
Direct Current (DC)
Alternating Current (AC)
Laptops and their batteries operate on Direct Current (DC). The power adapter, also known as an AC-to-DC adapter, converts the Alternating Current (AC) from a wall outlet into the low-voltage DC power that the laptop requires.
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