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CHAPTER THREE

 

Using Electricity

INTRODUCTION

The earliest films were photographed by the light of the sun. Professional motion picture and video production have since come to rely heavily on electrical power to operate cameras, sound equipment, and lighting instruments. Since electricity is essential for all artificial lighting, it is necessary to understand its properties, uses, and potential hazards before handling lighting equipment.

ELEMENTS OF ELECTRICITY

All matter is composed of minute units called atoms. Each atom consists of a nucleus, which is made up of protons and neutrons, and a number of orbiting particles called ...

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