| Category | Format | Size |
|---|---|---|
| Hunan Education Edition Fifth Grade Science Volume 2 | pptx | 6 MB |
"Electromagnets in Life" PPT
Description
Hunan Education Edition fifth grade science volume 2, electromagnets in life PPT
Part 1: Comparison between electromagnets and magnets
Comparison table of electromagnets and magnets
difference
There is magnetism when the power is on, and there is no magnetism when the power is off. The magnetism is permanent.
The magnetic poles can be changed, but the north and south poles cannot be changed.
The size of the magnetic force can be changed. The size of the magnetic force remains unchanged.
Troublesome to use Simple to use
Same point
All are magnetic
Both have North and South Poles
Like poles repel each other, opposite poles attract each other
The Shanghai Maglev Train is the fruit of Sino-German cooperation. It opened to traffic on December 31, 2002. It is the world's first commercial operation line. It connects the urban area and Pudong Airport. The whole journey is 30 kilometers and takes only 8 minutes. The maximum speed is as high as 430Km per hour. /h.
I will design the electromagnet tool
When designing an electromagnet tool, you must consider its use, shape, materials, environmental impact and other factors, and analyze its pros and cons.
Keywords: Hunan Education Edition fifth grade science PPT courseware for the second volume free download, electromagnet in life PPT download, .PPT format;
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File Info
Update Time: 2024-06-25
This template belongs to science courseware Hunan Education Edition Fifth Grade Science Volume 2 industry PPT template
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