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🟢 8: M 4/27 - force on a moving charge in a magnetic field
🟢 8: M 4/27 - force on a moving charge in a magnetic field
Today, we will learn what happens when we put a charge in a magnetic field. Watch the video below on "Force on moving charge in magnetic field". In the video, we'll learn how magnetic fields and electrical charges interact. We'll learn the formula for force on a moving charge in a magnetic field. We'll also learn the right hand rule to figure out the direction of the force. Finally, we'll learn about the shape of the path of a moving charge in a magnetic field and how to quantify it.
If you need additional support, check out section 24.5 in your textbook (e-textbook accessible through Mastering Physics).
Then, we'll practice magnetic force problems.
Homework: 📄Intro to Magnetism (PH) worksheet not due till Friday, May 1st.
Optional Extra Practice: 📖 Mastering Physics "Ch 24 - magnetic force on moving particles" problems #C18, C21, C23, 22, 23, 25, and velocity selector questions #59-62.
🟩❗8: T 4/28 - 📖 mass spectrometer
🟩❗8: T 4/28 - 📖 mass spectrometer
Today, you'll see a real life application of charges simultaneously in multiple fields we've already learned about. As practice, on a blank piece of paper, explain how a mass spectrometer works with a picture, force diagrams, and equations for all three regions.
Then, we'll practice mass spectrometer problems by doing ➕ Positive Physics "25.8 Magnetic Force Applications" (8 problems). You should just be able to login to ➕ Positive Physics with Google.
Homework: ➕ Positive Physics is due on tonight 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. QUIZ on all of magnetism up to this point on Tuesday, May 5th.
Optional Extra Practice: Mass Spectrometer Problems from AP Exam
💚 8: W 4/29 - 📖 magnetic force on current carrying wire
💚 8: W 4/29 - 📖 magnetic force on current carrying wire
Today, we'll look at what happens to a current carrying wire in a magnetic field. We'll learn the second right hand rule for a current carrying wire in a magnetic field, which is just a new perspective on the first one. We'll look at a couple of demonstrations to see how well you understand the first two right hand rules.
First watch my 10 minute video "Magnetic force on a current carrying wire."
Then, we'll practice F=IlB problems by doing problem solving.
Homework: Finish these problems. QUIZ on all of magnetism up to this point on Tuesday, May 5th.
Optional Extra Practice: FYP: Electromagnetism #1-10 (ANSWERS) 📖 Mastering Physics "Ch 24 - magnetic force on a current" problems: #33, 36, 37, 47, 48, 56, 58. For #58, a linear mass density means a certan mass per length of wire. You may assume that there is 1.00m of wire total for this problem.
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