I WONDER - Do Batteries Come In Different Sizes?

The video tutorial explains the different types and sizes of batteries, such as AA, AAA, and 9 Volt. It discusses the characteristics of these batteries, including voltage and capacity, and how they are used in various devices. For instance, AA batteries are often found in remote controls, while 9 Volt batteries are typically used in smoke detectors.

How do the voltage and capacity of batteries affect their usage?

What type of battery is used in smoke detectors?