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To understand the theory of electromagnetic motors. watch opening 3 minutes of this video
Components Used:

C or D Battery (1pcs)

1m of solid core copper wire

Iron all thread M6 or larger.

Tools used:

Sandpaper sheet

Lighter

Pliers

Step 1: Wrap the Copper Wire Around the All-thread and Close Off the Ends With Insulation Tape

Step 2: Connect the Battery to the Ends of the Wire

Step 3: Test Out Your Inductor on a Compass and Some Nails

Your inductor should be a temporary magnet as long as the wire is connected to the battery.

<p>I made one of these before. Here's the link</p><p>https://www.instructables.com/id/High-Grade-Electromagnet/</p>

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Bio: I am robotics engineer and a teacher whose passion in life is breaking down the maths and academic jargon of programming and robotics into something ... More »
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