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Electrical Technology, Volume 1 by S. P. Bali

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12

Electrostatics

OBJECTIVES

In this chapter you will learn about:

  • Electron theory
  • Electrification by friction
  • Coulomb’s law
  • Absolute and relative permittivity
  • Electrostatic induction
  • Detection and transfer of static charges
  • Electric fields and electric flux
  • Potential and equipotential lines
  • Gauss’s law and its relevance
  • Electric field due to a line of charge
  • Electric field due to a charged disk
Equation

Electric and Magnetic Fields

12.1  INTRODUCTION

Electrostatics is the science of electric charges at rest. Prior to the discovery of the voltaic cell in the year 1800, there was no practical method of maintaining a continuous supply of electrical ...

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