Thursday, April 7, 2011

Physics Form 5: Chapter 2 - Series and Parallel Circuit

Example how to determine effective resistance of a parallel circuit:

  • When resistors are connected in parallel, the total resistance becomes smaller compare to series circuit.
  • Thus, a higher current will flow to the smaller effective resistance and produce a brighter bulb in parallel circuit.

Advantages of using parallel circuit:
  • If one of the electrical appliance does not function, the other electrical appliances still can be used.
  • Additional electrical appliances can be connected in parallel with the existing  appliance without the need for more voltage.

    No comments: