A wire carrying a 28.0-A current bends through a right angle. Consider two 2.00-mm segments of wire, each 3.00 cm from the bend (Fig. E28.13). Find the magnitude and direction of the magnetic field these two segments produce at point P, which is midway between them.

Week 16 Tuesday, December 6, 2016 4:00 PM • Sublvls: 2l+1 • Zeeman effect- effect of ml in spectra when MFs are present, resulting in splitting of individ spectral lines into several • Ms(spin quantum number)-Fine stx- some spectra lines are actually 2 ○ Spin is intrinistic ○ Two directions: +1/2 & -1/2 ○ Doubles the number of allowed states specified by the quantum #s n,l, and ml 2n^2 unique states 2(2l+1) unique pairs • Pauli exclusion principle- no 2 e- in an atom can ever have the same set of values of the quantum #s n, l, ml, and ms ○ Explains the electronic stx of complex atoms as a succession of filled E lvls w diff quantum #s • H atom- 1 e- in its gs can be described by 2 quantum #s