py2 lab-2

Py2 lab-2 - Maria Tsiolkas Physics 212l:207 Capacitors Amanda Jeffries Tim Lingman Introduction The purpose of this lab is to explore how charge

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Maria Tsiolkas Physics 212l:207 Capacitors September 18, 2008 September 25, 2008 Amanda Jeffries Tim Lingman
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Introduction- The purpose of this lab is to explore how charge and energy are stored in both series and parallel combinations of capacitors and to investigate how those combinations compare in terms of stared charge and stored energy. A capacitor is a physical device that store electric charge and energy. Useful Equations- Q = C ·ΔV E =1/2C(ΔV )² E=1/2Q · ΔV ΔV1=ΔV2=ΔVbattery(prarallel Q total = Q 1 + Q 2 (parallel) C total = C 1 + C 2 (parallel) Etotal=1/2Ceq(ΔV) ²=1/19C1+C2)( ΔV) ²=1/2C1(ΔV) ² + 1/2C2(ΔV) ² (parallel) Q total = Q 1 = Q 2 (series) ΔVbattery=ΔV1+ΔV2 1/Ceq=1/C1+1/C2 (series) ΔV battery =(Q total/ C eq ),ΔV 1 =(Q total/ C 1 ), ΔV 2 =(Q total/ C 2 ) (series) E total =1/2Q total ΔV battery =1/2Q total (ΔV 1 + ΔV 2 ) =1/2Q total ΔV 1 +1/2Q total ΔV 2 (series) Data- Series LED discharge time: 4 seconds Parallel LED discharge time: 16 seconds
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This note was uploaded on 04/13/2009 for the course PY 212 taught by Professor Chilton during the Spring '08 term at N.C. State.

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Py2 lab-2 - Maria Tsiolkas Physics 212l:207 Capacitors Amanda Jeffries Tim Lingman Introduction The purpose of this lab is to explore how charge

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