Lec-4 - Previous Lecture Gauss's Law E dA = S Qencl 0 p...

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Previous Lecture Gauss’s Law I S E · dA = Q encl ± 0 – p.
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About the HW . . . Solutions to hw will be posted on web. If you need help, do the same thing you did last year: talk to your recitation leader, or email your recitation leader If you can’t do a problem, submit it after recitation. Hints: no penalty for taking, no bonus for avoiding. Please let us know your comments, but we will not treat them as urgent. – p.
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Conservation of Energy KE+PE=K+U= constant – p.
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Conservation of Energy KE+PE=K+U= constant Still true. – p.
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Conservation of Energy KE+PE=K+U= constant Still true. Today we will discuss the potential energy U and the potential V of charge distributions. – p.
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Work In each case, doing work W against a resistance increases the PE of the system. If we let go, we can recover the PE as KE. – p.
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It takes work to push charges around. – p.
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This note was uploaded on 02/29/2008 for the course PHYSICS 21 taught by Professor Hickman during the Spring '08 term at Lehigh University .

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Lec-4 - Previous Lecture Gauss's Law E dA = S Qencl 0 p...

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