electricity that lights up a bulb looks very different than lightning strikes but they're actually more similar than one might think because they both have electric current so let's understand what ...

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If you turned the page, saw the pictures, and had a mild panic, don't. Sure, we're going to be dealing with electricity, or more specifically the current draw of the various electrical systems in your ...

Light can generate an electrical current in semiconductor materials. This is how solar cells generate electricity from sunlight and how smart phone cameras can take photographs. To collect the ...

I have talked about the course I teach for elementary education majors before (videos for education majors, Spring Course reflections). Anyway, the nature of the course is that students collect ...

Key learning points Electrical charges What are free electrons? Cell polarity Conventional current direction Electrons orbit the nucleus. An atom has a neutral charge, because it contains the same ...