What If Charger Is Plugged Into Supply But Not Connected To A Device?

The video tutorial discusses the functioning and components of wall chargers, including their power consumption when idle. It explains that while idle chargers draw minimal power, it can accumulate over time, leading to significant waste. The video emphasizes the importance of disconnecting chargers to save energy and prevent unnecessary power usage.

What is the typical output voltage of a wall charger?

• 100 to 240 volts

• 50 to 60 Hertz

• Just over 5 volts

• 200 to 300 volts

Which component in a wall charger is responsible for reducing the high input voltage?

• Battery

• Regulator

• Step-down transformer

• ACDC converter

What is the purpose of converting AC to DC in a wall charger?

• To maintain frequency

• To reduce current

• To charge batteries

• To increase voltage

What happens when a charger is plugged in but not connected to a device?

• It stops functioning

• It draws a minimal current and wastes a small amount of electricity

• It causes damage to the charger

• It draws a large amount of current

Why is it important to unplug chargers when not in use?

• To save electricity and reduce wastage

• To prevent overheating

• To protect the device

• To increase charging speed