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Electrical Technology, Volume 1 by S. P. Bali

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13

Capacitors and d.c. Transients

OBJECTIVES

In this chapter you will learn about:

  • Capacitance and capacitor action
  • Factors controlling capacitance
  • Types of capacitors—fixed and variable
  • Colour coding of capacitors
  • Series and parallel connection of capacitors
  • Time constant
  • Capacitor charging and discharging
  • d.c. transients
  • Graphical derivation of transient behaviour
  • Universal time constant
  • Problems on the above
  • Universal time constant chart for capacitors and resistors
  • Using the above chart in solving problems
img

Ganged capacitors air

13.1  INTRODUCTION

The simplest definition of a capacitor (Figure 13.1) is: a capacitor is a device capable ...

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