ТОР 5 статей: Методические подходы к анализу финансового состояния предприятия Проблема периодизации русской литературы ХХ века. Краткая характеристика второй половины ХХ века Характеристика шлифовальных кругов и ее маркировка Служебные части речи. Предлог. Союз. Частицы КАТЕГОРИИ:
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THE BATTERY AND COILThe battery is used to store electricity. The electrical pressure (voltage) of a car battery is only 12 volts. When high voltage electricity jumps a space between two points it causes a spark. This happens in the sparking plug. A voltage of about 7,000 volts will cause a good spark. How do we get 7,000 volts from a 12-volt battery? The coil does it. The coil is really two coils of wire: the primary coil and the secondary coil. The electricity (12 volts) from the battery flows through the primary coil. Suddenly stopping the flow to the primary coil causes a very strong flow in the secondary coil. The flow through the primary coil is stopped by the contact breaker.
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