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Understanding Right Hand Rules & Magnetic Field Exploration

Learn the applications of Right Hand Rules in determining magnetic field directions. Explore Lenz's Law with examples of induced currents and their counteracting magnetic fields. Dive into Ampere's Law for Phys.272.

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Understanding Right Hand Rules & Magnetic Field Exploration

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  1. Right Hand Rules Summary

  2. Direction of FB q < 0 q > 0

  3. Alternative Right Hand Rule Reminder to multiply q in the end!

  4. Magnetic field due to currents Right hand rule

  5. Magnetic field from a coil

  6. Solenoids

  7. Lenz’ Law – Example 1 • When the magnet is moved toward the stationary loop, a current is induced as shown in a • This induced current produces its own magnetic field that is directed as shown in b to counteract the increasing external flux

  8. Lenz’ Law – Example 2 • When the magnet is moved away the stationary loop, a current is induced as shown in c • This induced current produces its own magnetic field that is directed as shown in d to counteract the decreasing external flux

  9. Ampere’s Law (Phys 272)

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