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Series and parallel circuits HTML5

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Summary

A dipole is an electrical conductor with two poles (also called terminals). An electric circuit is an association of dipoles connected to one another by conducting wires.

In order for a current to flow in the circuit, one of the dipoles must be a source of current (generator) and the circuit must be closed.

  • Two dipoles are in series when they share only a single terminal and, between  shared terminals, there is no branching toward another dipole.
  • Two dipoles are in parallel (or in a branched circuit) if their two pairs of terminals are shared.

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Learning goals

  • To insist on the fact that, in order for it to function, an electrical circuit must be closed.
  • To make the linkage between a real electrical setup and a conventional diagram of that setup.
  • To show that the current passing through the lamps is different in different types of circuits.

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Learn more

An electrical circuit is made up of the following elements:

  • At least one source of current (here, the battery).
  • Receivers (here, the bulbs)
  • Conductors (here, the wires and the…

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