GENERAL PHYSICS 2 (CAPACITORS IN SERIES AND PARALLEL)

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8 Terms

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CAPACITORS

  • Are electronic components that store charge efficiently

  • They can be charged and discharged very quickly and hold their charge indefinitely

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STRUCTURE OF CAPACITORS

  • are made from two parallel metal plates separated by an insulator called a dielectric

3
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CAPACITORS APPLICATIONS

  • Computer RAM memory and keyboards.

  • Electronic flashes for cameras.

  • Electric power surge protectors.

  • Radios and electronic circuits.

4
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CAPACITANCE (C)

Is the amount of charge a capacitor can store when connected across a potential difference of 1V

(the larger the capacitance the more charge it can store)

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CAPACITANCE FORMULA

C=Q/V

where:

C=Capacitance in Farads (F)

Q=Charge in Coulombs (C)

V=Voltage in Volts(V)



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FARADS

Unit of capacitance (symbol F)

  • 1 Farad = 1 coulomb per volt This is a lot of charge!!

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CAPACITORS ARE SMALL

µF (1 x 10-6 F)


nF (1 x 10-9 F)


pF (1 x 10-12 F)

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GUESS METHOD

G - GIVEN

U - UNKNOWN

E - EQUATION

S - SKETCH

S - SOLUTION