PHYS345 Electricity and Electronics

Answer for E2.7

a.    resistor current: 25 A
  bus voltage: 7.5 V
  P of 10 V source: 250 W generated
  P of 5 V source: 125 W absorbed
  P of each resistor: 62.5 W dissipated
 
b.    resistor current: 0.5 A
  bus voltage: 50 V
  P of 3 A source: 150 W generated
  P of 2 a source: 100 W absorbed
  P of each resistor: 25 W dissipated

Answer for S2.1

a.  0.41 A

b.  1.15 W

c.  1.42 V

Answer for S2.2

d.  i1 = 2.59 A;  i2 = -2.31 A;  i1+i2 = 0.28 A;

e.  0.55 W

f.  1.97 V


"http://www.physics.udel.edu/~watson/phys345/protected/exercises/answers/0908.html"
Last updated Sept. 10, 1998.
Copyright George Watson, Univ. of Delaware, 1998.