Electronics Tutorial #9 - Capacitors - Part 1

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This electronics tutorial is on capacitors, how they work and some practical applications.
In this video I cover:
What is a capacitor?
How do capacitors work?
Characteristics of capacitors - ESR (equivalent series resistance), ESL (equivalent series inductance), impedance at different frequencies.
How dielectric, plates and distance account for capacity.
RC time constant
How to calculate the value of a capacitor using the RC time constant and an oscilloscope?
Effect of DC and AC on a capacitor and impedance.
Capacitors connected in series and parallel.
Capacitors and coupling / decoupling / filtering.
Capacitor role in digital electronics - ADC (analog to digital converters)
Variable air capacitors
How to choose a capacitor based on capacity, frequency, operating voltage, temperature and ESR.
Tools to measure and troubleshoot capacitors - multimeters LCR meters, ESR meters.
Safety and capacitors - how to safely discharge capacitors - http://www.ifixit.com/Guide/Construct...
The future of capacitors - supercapacitors, hybrid capacitors, ultra capacitors, double layer capacitors to power electronics and cars?

Practical application of capacitors used to filter ripple in an AC to DC power supply:
   • Tutorial: How to build and design an AC to...  
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