SWITCHED CIRCUIT

Background

Switches provide an easy way to open and close an electrical circuit.

Materials Needed

2 batteries in holders
1 breadboard
1 paper clip
2 light bulbs
2 wires with washers
push pins

Procedure

1. Assemble the simple circuit with 2 batteries. Open and close the wires to turn the bulb off and on.

2. Now wire in the paper clip as a switch as shown and use it to turn the light on and off.

Question

Why does the light go out when you move the switch?

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