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🟢 8: W 4/15 - combination circuits
🟢 8: W 4/15 - combination circuits
Today, we'll spend time learning about combination circuits (aka combo circuits) which combine elements of series and parallel circuits into one more complex circuit. We'll learn how to "solve" these circuits to find the voltage drops, currents, and power for each resistor.
First watch "Circuit Analysis: Crash Course Physics #30." The key to solving combination circuits is to *REDRAW THE CIRCUIT EVERY TIME YOU COMBINE RESISTORS* that are simply in series or simply in parallel. See my solution to the "Crash Course Circuit Analysis SOLUTION" where I re-draw every step combining resistors in series or parallel, and then I work my way backwards to find currents, voltage drops, and power. For another detailed example, look in your textbook at Example 23.9 on pages 813-814. (See Mastering Physics for online textbook.)
The output of your learning is ➕ Positive Physics unit 23: circuit analysis, "challenge 2" work problems only (just 4 problems) due tomorrow at 10pm. You should just be able to login to ➕ Positive Physics with Google.
Homework: ➕ Positive Physics is due on Thursday, April 16th at 10pm. Only completion score counts, so try the problems till you get them right. No late work will be accepted!!! It is best to try to finish these well before they are due because there will be no excuse for late work. Unit Assessment on Potential Energy, Potential, and Circuits on Wednesday, April 22nd (4th marking period).
Optional Extra Practice: 📖Mastering Physics "Ch 23 - series & parallel circuits" problems: #5, 10, 11, 12, 15, (17), 18, 23, 56, 58.
🟩❗8: Th 4/16 - series and parallel circuits lab
🟩❗8: Th 4/16 - series and parallel circuits lab
Today, we'll work to show evidence that we understand series and parallel circuits by completing Series & Parallel Circuits Activity. In this lab, we'll explore connecting holiday lights to batteries or you can run a PhET simulation if you prefer. Create your evidence of learning, and submit to ✏️ Google Classroom.
Make sure you hand in "Series and Parallel (PH)" and "Simple Circuits CompuSheets" due today in class.
Homework: Series & Parallel Circuits Activity due to ✏️ Google Classroom by Sunday, April 19th at 10pm. Even if you were absent, you can still do this activity virtually using the PhET simulation, so there is no excuse for late work. Unit Assessment on Potential Energy, Potential, and Circuits on Wednesday, April 22nd (4th marking period).
Optional Extra Practice: 📖Mastering Physics "Ch 23 - series & parallel circuits" problems: #5, 10, 11, 12, 15, (17), 18, 23, 56, 58.
💚 8: F 4/17 - circuits problem solving
💚 8: F 4/17 - circuits problem solving
Today, we'll spend the whole period on problem solving for this unit. You'll do problems with series, parallel, and combination circuits.
Homework: Unit Assessment on Potential Energy, Potential, and Circuits on Wednesday, April 22nd (4th marking period). Finish the problem solving above.
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