Do phone chargers use electricity when plugged in?

Yes, phone chargers consume a small amount of electricity even when they are plugged in and not actively charging a device. This is because they still draw a small amount of power to maintain their circuitry and be ready to charge a device when needed. However, the amount of electricity they consume in this standby mode is usually very minimal compared to when they are actively charging a device. Unplugging chargers when not in use can help save a tiny amount of energy and reduce electricity costs over time.

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