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Description
Stark Magnetic Multi Coil Car Solenoid Engine V8 Model LED Light Hall Effect Reciprocating Electromagnetic MotorDescription: The reciprocating electromagnet used in this product is a better magnet after repeated experiments, replacement and calculation. It can cooperate with hall sensor to generate magnetic force in a better position and achieve better operation effect. The bearing used is ball bearing with low friction and quiet durability, providing strong support for smooth operation. The product is supported by acrylic supports with high precision cutting
Description:
The reciprocating electromagnet used in this product is a better magnet after repeated experiments, replacement and calculation. It can cooperate with hall sensor to generate magnetic force in a better position and achieve better operation effect. The bearing used is ball bearing with low friction and quiet durability, providing strong support for smooth operation. The product is supported by acrylic supports with high precision cutting on both sides, featuring high transparency, non-deformation and beautiful appearance. The beam supports are four carbon fiber columns, which are strong, durable and stable, showing the high-end atmosphere.
Features:
1. Low friction, quiet and durable
2. Multiple coils for choice
3. Comes with power adatper
4. Add LED design that lights up after turning on power, full of technology
5. Hall elements take the magnetic field as the working medium to transform the moving output of the object into the form output of digital voltage, which makes it have the function of sensor and switch.
Product Principle:
If the places a current(lv) in the conductor(d) in magnetic field (B), the direction of the magnetic field perpendicular to the direction of the applied voltage, then on the direction perpendicular to both applying current direction and magnetic field, it will produce another voltage (UH), which is called hall voltage. It's like a road, where people are evenly distributed on the road, moving forward, and when there's a magnetic field, they might wave away and go to the right of the road. Therefore, voltage difference will be generated on both sides of the road (conductor). This is called the hall effect. Hall element based on the hall effect, take the magnetic field as the working medium to transform the moving output of the object into the form output of digital voltage, which makes it have the function of sensor and switch.
Package Included:
1 x Multi Coil Car Engine V Model
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Exchange/Return Notes
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4.7 ★★★★★
Based on 396 reviews
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Product Reviews
★★★★★ 5
Excellent customer service
Format: Paperback
Totally recommendable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2019
★★★★★ 5
Five Stars
Format: Paperback
This helped a lot for us to prepare for the SLATE exam.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 23, 2016
★★★★★ 5
Good
Format: Paperback
This is great! I like this one.
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Reviewed in the United States on June 22, 2016
★★★★★ 2
Good to have if you've never seen the iTEP exam, but don't rely on it to boost your scores
Format: Paperback
This book is good in that it comes with two practice tests: one in the beginning of the book, one in the end of the book. The grading rubric is helpful too. However, the actual guide part of the book, doesn't help too much with how to improve test scores. What I like least about this guide is that it won't tell you which questions you answered incorrectly on the practice exams. A good test prep guide will tell you what you answered incorrectly, and will tell you what logic to follow to get to the correct answer. In the reading passages, it would be nice to know where I can find evidence to justify the "correct" answer. In the grammar section, it would be nice to know which rule I'm violating. Any test guide should always come with some testing strategies. I.E. If this question is taking up too much time, skip it and go to the next one. This guide lacks simple strategies like that. Simple strategies like that could be useful when incorporated into this guide because there are certain sections on the exam that you can go back to previous questions, but some sections where the "back" button is disabled.
Overall, if you've never seen an iTEP exam before, this book is certainly helpful in that it will give you an idea of what you will be testing for. However, this book alone won't help you achieve a score of 6. The table of contents itself will tell you there are only 86 pages of actual content covering test material. That's not enough to cover how to excel in the exam.
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Reviewed in the United States on January 27, 2015
★★★★★ 1
Don't buy it
Format: Paperback
It does not prepare for the real test.
Using it is absolutely not enough to be approved with good grades.
Too expensive for what it offers.
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Reviewed in the United States on October 21, 2016