Essay on Electric Current

Lightning arresters

A lightning arrester Is a device used on electrical power systems and telecommunications systems to protect the Insulation and conductors of the system from the damaging effects of lightning. The typical lightning arrester has a high-voltage terminal and a ground terminal. When a lightning surge (or switching surge, which is very similar) travels along the […]

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Self induction and mutual induction

CHAPTER-1 1. Initiation 1.1 Introduction Induction is the belongings of electrical circuits incorporating spirals in which a alteration in the electrical current induces an electromotive force ( voltage ) . This value of induced voltage opposes the alteration in current in electrical circuits and electric current ‘I ‘ produces a magnetic field which generates magnetic […]

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