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FINAL EXAM: 50% Saturday April 24 at 14:00 (Rooms to be announced)

•  Current and Resistance (Giancoli Chapter 25, Sections 1-6, 8. 2 lectures) Electric current and current density. Resistance and Ohm's Law. Resistivity and its temperature dependence. Electrical energy and power.

•  Direct Current Circuits (Giancoli Chapter 26, Sections 1-3, 5. 3 lectures) Electromotive force. Resistance in series and parallel combinations. Kirchoff's Laws and circuit analysis.

•  Magnetic Fields (Giancoli Chapter 27. 4 lectures) Definition of magnetic field. Field lines. Force on a moving charge and on currents. Torque on a current loop. Motion of a charged particle in magnetic fields. Hall effect.

•  Sources of Magnetic Fields (Giancoli Chapter 28, Sections 1, 2 and 6. 3 lectures) Biot-Savard Law. Magnetic fields produced by current-carrying wires. Forces between currents.

•  Magnetic Induction (Giancoli Chapter 29, Sections 1-4. 3 lectures) Faraday's and Lenz's Laws. Motional emfs.

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Chapter 27: Magnetism 27-1 Magnets and Magnetic Fields 27-2 Electric Currents Produce Magnetism 27-3 Force on Electric Current in Magnetic Field 27-4 Force on Electric Charge Moving in Magnetic Field 27-5 Torque on Current loop: Magnetic Dipole Moment 27-6 Applications: Galvanometers, Motors, Loudspeakers 27-7 Discovery and Properties of the Electron 27-8 Hall Effect 27-9 Mass Spectrometer

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