23 Capacitors

This page covers the capacitors section of the course.  One crucial part of this section is the ability to understand how to take Ln on an expoential function. You must make sure you work this out before you start the decay part. Also there are some tricky formulae again so you must make sure you make notes and go back to them to check what each thing is and when it applies. A capacitor has a current which changes all the time (unless charged with a constant current) so the formula are all time based.

Resources

23 Capacitors Student Booklet

23 Capacitors Part B

23 Capacitors Part A

23.3 Challenge Sheet Flash

23.3 HSW Capacitor Planning Datalogging

23.3 Support worksheet capacitor graph

Picoscope Capacitor Decay

Capacitor Decay 47k 2200mF

 

 

Natural Logarithms

This algebra video tutorial provides a basic introduction into natural logarithms. It explains how to evaluate natural logarithmic expressions with the natural base e and how to evaluate exponential ...expressions with natural logs in on the exponent of the natural base e using properties of logarithms.

Algebra For Beginners: https://www.youtube.com/watch?v=MHeirBPOI6w
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Fractions - Basic Introduction: https://www.youtube.com/watch?v=GvLIEiqxS6s
Linear Equations - Test Review: https://www.youtube.com/watch?v=Ft2_QtXAnh8
How To Factor Trinomials: https://www.youtube.com/watch?v=-4jANGlJRSY
Systems of Linear Equations - 2 Variables: https://www.youtube.com/watch?v=oKqtgz2eo-Y
Quadratic Equations - Test Review: https://www.youtube.com/watch?v=fFFA7Q4eVuY
Multiplying Rational Expressions: https://www.youtube.com/watch?v=RROSgr4oXjU
Graphing Rational Functions: https://www.youtube.com/watch?v=bWVhwYdSnfk
Radical Expressions - Test Review: https://www.youtube.com/watch?v=wOcc5EoOojE
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Logarithms - The Easy Way! https://www.youtube.com/watch?v=kqVpPSzkTYA
Log to Exponential Form: https://www.youtube.com/watch?v=f0C1KL7GkqY
Change of Base Formula: https://www.youtube.com/watch?v=FFm-zaFW_X4
Change of Base Log Problem: https://www.youtube.com/watch?v=p7hD9VdXv9U
Properties of Logarithms: https://www.youtube.com/watch?v=Jtv9Lnf7Zw8
Expanding Logarithmic Expressions: https://www.youtube.com/watch?v=OIz-5MyJA3g
Condensing Logarithmic Expressions: https://www.youtube.com/watch?v=luRrOlsB4cY
Natural Logarithms: https://www.youtube.com/watch?v=daUlTsnCNRQ
Solving Exponential Equations: https://www.youtube.com/watch?v=9tutJ5xrRwg
Exponential Equations - Quadratic Formula: https://www.youtube.com/watch?v=1_XHAzgUi1o
Exponential Equations - Quadratic Form: https://www.youtube.com/watch?v=yNgmVu0R_T8
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Solving Logarithmic Equations: https://www.youtube.com/watch?v=fnhFneOz6n8
Logarithmic Equations - Harder Examples: https://www.youtube.com/watch?v=PIx0Z0LqqFY
Logarithmic Equations - Different Bases: https://www.youtube.com/watch?v=XvwPB21Gm9A
Exponential Logarithmic Equations: https://www.youtube.com/watch?v=6CrXFvvwsaE
Graphing Logarithmic Functions: https://www.youtube.com/watch?v=-nptxS9rZNA
Graphing Exponential Functions: https://www.youtube.com/watch?v=DASfP8KAyvs
Graphing Natural Log Functions: https://www.youtube.com/watch?v=ymXD6xCmzJE
Compound Interest Word Problems: https://www.youtube.com/watch?v=Hn0eLcOSQGw
Interest Compounded Continuously: https://www.youtube.com/watch?v=Ln97Hd7AiDc
Population Growth Word Problems: https://www.youtube.com/watch?v=k4LLdFFLRmQ
Logarithms Practice Problems: https://www.youtube.com/watch?v=7DVbQKI600k
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Where does "e" come from? https://www.youtube.com/watch?v=pDFcu_wLOzo
Complex Logarithmic Equations: https://www.youtube.com/watch?v=k7m2z0bX_tg
Exponential Equations - Powers of X: https://www.youtube.com/watch?v=ec_9rkWxrYA
Exponential Equations With Radicals: https://www.youtube.com/watch?v=d-E5isaIDTA
Difficult Exponential Equations: https://www.youtube.com/watch?v=F1b1beR3sNk
Exponential Equations - Fractions: https://www.youtube.com/watch?v=_iukwLh67xQ
Inverse of Logarithmic Functions: https://www.youtube.com/watch?v=hNsvGz7JPJQ
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Functions - Test Review: https://www.youtube.com/watch?v=1xATmTI-YY8
Algebra 1 Review Study Guide: https://www.youtube.com/watch?v=TbJ5gqLRpeM
Algebra Final Exam Review: https://www.youtube.com/watch?v=U0Y8nSmEpNM
Precalculus Final Exam Review: https://www.youtube.com/watch?v=Tj-V6KnwM5w
Full Length Exam Videos + Worksheets: https://bit.ly/4990rzU
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Theremin Prague Museum of Music – Capacitors!

Theremin Prague Museum of Music
The theremin was the product of Soviet government-sponsored research into proximity sensors. The instrument was invented by a young Russian physicist named Lev Sergeyevich Termen (known in the West as Léon Theremin) in October 1920 after the outbreak of the Russian Civil War. After a lengthy tour of Europe, during which time he demonstrated his …