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Chapter 28 Sources of Magnetic Fields

Chapter 28 Sources of Magnetic Fields. (from current carrying wires & moving charges). The Magnetic Field of Moving Point Charges (not covered in Halliday and Resnick?!). For the situation below, what is the direction of the B-field at the origin?.

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Chapter 28 Sources of Magnetic Fields

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  1. Chapter 28 Sources of Magnetic Fields (from current carrying wires & moving charges)

  2. The Magnetic Field of Moving Point Charges(not covered in Halliday and Resnick?!)

  3. For the situation below, what is the direction of the B-field at the origin?

  4. The Magnetic Field of Currents: The Biot-Savart Law

  5. The Biot-Savart Law

  6. IDEA behind Automobile Starter Solenoid: when solenoid is energized, B-field pulls iron core in, engaging gears that connect the starter motor to flywheel of engine. Once current to solenoid is interrupted, a spring disengages the gears and pushes the iron core to the right.

  7. 27-4Ampere’s Law

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