While we can’t get that in real life, modern devices are good enough that we can pretend like it is true most of the time. a very simple op amp circuit with some detail omitted If you open this ...

Adding more batteries to a simple circuit will increase the electrical energy, which will make a bulb brighter. Electricity can flow through the components in a complete electrical circuit.

I spin! Whee! So, Greg, that circuit that we made, would that work in real life?Yeah, absolutely. That was actually just a simple version of a circuityou might find in an electric car.A battery ...