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Science Edition for Sixth Grade Science Volume 1	pptx	6 MB

"Electromagnet" Energy PPT Courseware

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Upload Time: 2024-09-05

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"Electromagnet" Energy PPT Courseware

1. Make an electromagnet

Note when making:

1. Wind the wires in the same direction.

2. Fix both ends of the coil wound on the iron nail.

3. After the production is completed, use a knife to peel off the insulating plastic on the wire head.

Tie the wire to the nail tip (cap).

Wrap the wire tightly around the nail 20-50 times, keeping the same direction of winding.

2. Understand electromagnets

When the electromagnet is energized, there is ______,

After cutting off the current ______.

3. The north and south poles of the electromagnet

Do electromagnets have north and south poles?

Electromagnets have north and south poles just like ordinary magnets.

electromagnet

Properties of electromagnets: When current is turned on, magnetism is produced

The magnet disappears when the current is disconnected

Iron nail electromagnet has north and south poles

The north and south poles of the electromagnet are related to the direction of the current and the winding direction of the coil.

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For more information about the "Energy Electromagnet" PPT courseware, please click the Energy ppt Electromagnet ppt tab.

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Update Time: 2024-09-05

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"Electromagnet" Energy PPT Courseware