How can I very quickly swich an electromagnet on and off?

Subject: How can I very quickly swich an electromagnet on and off?

Date: Wed May 26 13:56:17 1999
Posted by Eduardo e Silvia San Clemente
Grade level: School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Engineering
ID: 927744977.Eg

Message:


I want  to create an vibratory device using electromagnet
Quick here is 50 - 60 times per second

Re: How can I very quickly swich an electromagnet on and off?

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