HOME MADE FLASHLIGHT BULB.

18,791

115

8

Introduction: HOME MADE FLASHLIGHT BULB.

About: Metal will never die,Hard will stay on,and Rock n' Roll is immortal.

Hi. this is my first project ever uploaded on net.In this instructable, I am gonna tell you how how to make your own  light bulb.

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Step 1: Stuff Needed.

1]Pencil lead 0.5 mm.
2]Alligator wires.
3]D sized batteries 8pcs.
4]Glass jar.
5]Duct tape.
6]Cardboard pipe.

Step 2: Attaching the Cells.

Attach the cells point to point in series and secure them with electric tape.

Step 3: The Bulb.

Take 2 alligator wires and fix them at the ends of the cylindrical area of the cardboard pipe and secure them with duct tape.
Hook up a pencil lead to the alligator wires attached to the cardboard pipe and cover the assembly with a glass jar and ensure that the other ends of the alligator wires come out.
That's all ,you are done.
Now touch the other ends of the alligator wires to the battery.
What do you observe?
Does the lead glow yellow and pop out after some time?
If yes, then your test is successful.

Be the First to Share

    Recommendations

    • Cardboard Speed Challenge

      Cardboard Speed Challenge
    • Sculpting Challenge

      Sculpting Challenge
    • 3D Printed Contest

      3D Printed Contest

    8 Discussions

    This is awesome, experiments like this are often ignored as the technicalities of making it better overshadow the basics, i.e. using a vacuum system to remove or exchange the atmosphere in the jar to allow a longer burn time.

    0
    JasjotSingh
    JasjotSingh

    Reply 6 years ago on Introduction

    Yes you're right.someone even suggested me using a vacuum pump.

    0
    tyler3347422
    tyler3347422

    6 years ago on Introduction

    Thats cool never thought to make a bulb out of that i did that with jumper cables and a car battery (not recommended)

    0
    JasjotSingh
    JasjotSingh

    Reply 6 years ago on Introduction

    Yes you could also use car batteries but be safe with car batteries

    0
    nerfrocketeer
    nerfrocketeer

    6 years ago

    So you like flashlights...? :P