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Automotive dictionary (encyklopedia)

Dictionary of terms and abbreviations for cars (automobiles), motorcycles (bikes),
bicycles, boats, engines, machines, machining and car fixing.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Barkhausen effect

The phenomenon of discontinuous changes in the magnetization of a magnetic material while the magnetizing field is smoothly varied. It is the consequence of sudden changes in the domain structure as domain walls overcome various pinning defects and to a lesser extent as domain orientations discontinuously rotate away from preferred crystal areas H. G. Barkhausen (in 1919) detected voltage pulses induced in coils surrounding a magnetic sample as it was magnetized. Analogous ultrasonic emissions are also associated with the magnetization of magnetostrictive materials. The character of Barkhausen emissions is strongly dependent on microstructure and stress.
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Where Does Your Auto Insurance Dollar Go?

You pay your auto insurance. You have the right amount of coverage. So where does all that money go?

The exact cost you will have to pay for your insurance depends on several factors. One factor is what car you drive.

For example, the Porsche 911 tops the list as the most expensive car to insure. A person could pay $2,943.78 a year . . . and that’s with a clean driving record. The Dodge Caliber is the least expensive car to insure.

Another factor that affects your insurance is where you live. Washington DC has the most expensive insurance cost–$1,140 a year. North Dakota, on the other hand, is home of the least expensive insurance, at a cost of $512 a year.

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