Ch. 21 Homework, Phy 132, Spring 1998, Tulane

Note: ^ denotes power, eg. x^2 = x*x, i.e. x squared 
21.1   (a) 1.7*10^7 m^2    (b) 4.1 km

21.3   80 nF

21.6   (a) 1.55 pF    (b) 15.5 nC/m

21.7   2.7 nF

21.11  2.2*10^-5 J

21.16  (a) 6.67*10^-6 F    (b) 40*10^-6 C    (c) 4 V, 2 V

21.28  (a) 2.4*10^-6 F    (b) 2.4, 0.5, 1.9 *10^-6 C    (c) 1.2*10^-5 J
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