Two lamps connected in series with ... same throughout a circuit and voltages add up to the supply voltage. Components that are connected on separate loops are connected in parallel.

If the resistance of any component in a parallel circuit changes, this will change the value of the current in that loop and the total current supplied by the battery. It does not affect the ...

Formula 1 has raced ... in almost every season of the series. Not every track has been quite so successful, however, and F1 decided never to return to some circuits for all manner of reasons.