Electricity

Introduction

Electricity is a relatively safe form of energy. It is a familiar and necessary part of everyday life, but electricity can kill or severely injure people and cause damage to property if not used sensibly. An electric shock occurs when a part of the human body comes into contact with any source of electricity that produces a sufficient current through the skin, muscles or hair. The term is usually used to describe an injurious exposure to electricity, a pathophysiological effect of an electric current through the human body. Very small currents can be imperceptible. Larger current passing through the body may make it impossible for a shock victim to let go…