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# Volts Definition

Volts measure potential energy in a circuit or battery. For example, you could use a higher volt battery for a brighter light bulb.

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## Electricity & Circuits

### Fun Facts

• The difference between a 1.5-volt battery and a 9-volt battery is how many stacks of chemicals they have inside.
• Higher volts in a battery can make a motor spin faster.
• A 1.5 volt battery provides less energy than a nine volt battery.

### Why Do We Need To Know About Volts

Learning about volts helps you understand how energy is stored and why it’s important for devices to work. Volts tell us how much energy is stored, which is key for the batteries in gadgets we use daily.

This isn’t just something you learn in school; it’s used in real life. Electrical engineers use volts to make things like robots, phones, and medical devices better, which helps improve technology and our lives.

What is electricity?
Electricity is the flow of electrical energy from one place to another.
Why is a closed circuit needed for electricity to power our electronics?
For electricity to flow, it needs a closed path from the source, through a conductor, and back to the source.
What would be an advantage of a series circuit? Of a parallel circuit?
In a series circuit, you could turn on and off all the lights or devices at the same time, instead of turning each one on and off separately. In a parallel circuit, each light or device has its own path to the source, so you can control each one separately. If one light or device goes out, the other devices in the circuit are not affected.
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