Electricity and its applications
Watch these films and answer- What does a battery do?
- How can we visualise potential energy?
- What happens if we use several batteries in parallel?
- What happens if we use several batteries in series?
- Look at the initial circuit and tell what is represened as: a) red balls, b)a difference of heigth c)a yellow track.
- How do they define voltage. Who provides it?
- What happens when we open an interruptor? What happens when we close it?
- Hat determines the amount of current through an electric circuit?
- What is the meaning of no current passing through a ligth bulb?
- What is the function of a properly working battery?
- How much is the potential of all points connected by wires or metal switches?
- What is the total current in a parallel circuit? And in a series circuit?
- What does Kirchoff's law refer to?
