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What uses DC current?
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DC (Direct Current) is used in a variety of devices and applications. Here are some common uses of DC current:

1. **Batteries**: All battery-powered devices (such as smartphones, laptops, and remote controls) run on DC current. This includes everything from small gadgets to electric vehicles.

2. **Electronics**: Most electronic circuits, including computers, microcontrollers, and televisions, operate on DC current. DC is essential for powering integrated circuits and transistors.

3. **Electric Motors**: DC motors are commonly used in toys, fans, small appliances, and some electric vehicles (like e-bikes).

4. **Solar Panels**: Solar panels produce DC electricity, which is either used directly or converted to AC (alternating current) using an inverter.

5. **Charging Systems**: Many chargers for devices like phones, laptops, and electric vehicles convert AC from power outlets into DC to charge the battery.

6. **Power Supplies**: Devices that provide a stable voltage to sensitive electronic systems (like in computers or communication systems) often use DC.

7. **LED Lighting**: LEDs are powered by DC, although some systems use converters to turn AC into DC for this purpose.

8. **Electric Vehicles (EVs)**: While many EVs are powered by DC motors, they usually contain a battery (which stores DC power) and an inverter to convert DC to AC for the motor.

9. **Radio Transmitters/Receivers**: Many communication devices like radios and walkie-talkies use DC power to operate their internal components.

DC is often preferred in situations where a constant and steady voltage is required, unlike AC, which periodically changes direction.
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