PHYS345 Electricity and Electronics

Answers for 10/7 Assignment

Answer for 5.6

before: 0 V
after:   380 kV

Answer for 5.7

3.2 mA

Answer for 5.15

R1 = 0.52 ohm
L = 22 H

Answer for 5.21

a)   vc(0) = 0 V
b)   t = 48 s
c)   vc = 8.00 V [1 - exp(-t/t)]
d)   vc(t) = 5.06 V
      vc(2t) = 6.92 V
      vc(5t) = 7.95 V
      vc(10t) = 8.00 V

Answer for 5.29

Charge up time (switch open) = 173 ms.
Discharge time (swtich closed) = 0.4 ms.


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Last updated Oct. 13, 1999.
Copyright George Watson, Univ. of Delaware, 1999.