An iPad uses electrical energy from its battery. When the battery is charged, it stores this electrical energy to power the device's functions.
earth uses all energy. there are many types of energy we use for different types of things. there is over 100 types of energy.
the planet Saturn has energy wind energy.
Chemical energy and electrical energy are the most widely used energy forms.
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batteries
In an iPad, electrical energy from the battery is converted into various forms such as light (in the display), sound (through the speakers), and kinetic energy (in the form of touch interactions). This energy transfer enables the iPad to function and perform different tasks.
ipod ipad
Mechanical energy!!!
Electronic devices usually have a battery or dry cell that stores some energy. In the case of the iPad, the battery is rechargeable.
It uses electrical energy,mechanical energy.
You can sell your iPad 1 and use the Money for the iPad 3. You'll need to cash in as it almost impossible to use the Money from your iPad 1 Only!