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19 - Amperes Law

# 19 - Amperes Law - Phys 212 Amperes Law Fall 2009 Schedule...

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Phys 212 Fall 2009 Ampere’s Law 10/7/09

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Schedule Wednesday - HW6 Due Thurs, Fri - Fall Break Mon - Review I Wed - Review II ( HW 7 Due! ) Fri - Exam II Next Week Exam is on all subjects covered to date Emphasis on material since last test Lecture questions, HW4-7
Summary dB = μ 0 4 π ids sin θ r 2 Biot-Savart Law Calculate the magnetic field due to any charge distribution B = μ 0 i 2 π r Magnetic field produced by long, straight wire F ba = μ 0 2 π i a i b L d Force between two current carrying wires

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Field and Force Two straight wires run parallel to each other, each carrying a current in the direction shown below. The two wires experience a force in which direction? 1) toward each other 2) away from each other 3) there is no force
Magnetic Field of a Wire If the currents in these wires have the same magnitude, and the same direction, what is the direction of the magnetic field at point P?

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19 - Amperes Law - Phys 212 Amperes Law Fall 2009 Schedule...

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