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For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

INTRODUCTION: There are more than 356,000 out-of-hospital cardiac arrests annually, or 1,000 daily, in the United States with nearly 90% of them being fatal. 1 These statistics paint a grim image when ...

THE want of a text-book especially designed for the use of candidates for examinations in which a knowledge of the more elementary portions of the mathematical theory of electricity and magnetism is ...