Circuit

" a never ending loop "

Open Circuit

the continuity is broken so that current does not flow.

Switch OFF.

Closed Circuit:

a continuous path through which a current can flow.

Switch ON.

Short Circuit:

a continuous path with no or very low resistance.


Note: Dangerous. Can damage battery or power source. Can cause sparks as well as fire.

Questions:

  1. If a circuit is open then why the bulb is not glowing?

  2. How much current is flowing through the wires in a short circuit and the direction of current?

Related Topics:

  1. Components.

  2. Batteries.

  3. Circuit.