Lecture_01

Lecture_01 - Lecture 1 1/16 Physics 241: Electricity and...

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Lecture 1 1/16 Physics 241: Electricity and Optics Lecture: MTWTh 12:10 pm 1:00 pm (Phys 114) Michael Meier (first half of summer) mdmeier@purdue.edu Office: Phys Room 103 Brendan Sullivan (second half of summer) sullivb@purdue.edu Office: Phys Room 289 Course Webpage: www.physics.purdue.edu/phys241/ Textbook: Physics for Scientists and Engineers, 6 th Ed. , Volume 2, by Paul A. Tipler and Gene Mosca Exams: Midterm - in class July 7, Final - Aug 3, 4, or 5 Lecture Quizzes: each 2 points given using iClickers Homework: CHIP online at chip.physics.purdue.edu/ 26 assignments, due 12 pm noon before each lecture Help Center: open MTWTh 2:00 pm 4:00 pm (Phys 11)
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Lecture 1 2/16 An Old (and Fundamental!) Question: What is the Structure of Matter in the Universe?
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Lecture 1 3/16 Nuclei ~ 10 -15 m Scale ~ 10 -10 m Iron Wood Universe Gravitation Electromagnetism Strong Nuclear Force Leptons Quarks Gluons Basics Constituents Size Scales in the Universe Ancient Man ~ 1m Atoms Weak Nuclear Force
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Lecture 1 4/16 Quantization of Charge Fundamental unit: elementary charge e An electron carries a charge of e A proton carries a charge of +e It is u sually the electrons that move between objects. (not protons) Coulomb ( C ): one coulomb is the amount of charge that is transferred through the cross section of a wire in 1 second when there is a current of 1 ampere in the wire , 3 , 2 , 1 , N Ne Q C C e 19 10 60 . 1 602177 . 1 charge is quantized!
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Lecture_01 - Lecture 1 1/16 Physics 241: Electricity and...

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