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Problem P. 3939. (December 2006)

P. 3939. Two 100-\Omega resistors are connected in series, and they are operated from a supply which generates constant voltage. A variable resistor is connected to one of the 100-\Omega resistors in parallel. Find the resistance of the variable resistor when it dissipates the greatest power.

(4 pont)

Deadline expired on January 11, 2007.


Statistics:

125 students sent a solution.
4 points:82 students.
3 points:12 students.
2 points:7 students.
1 point:2 students.
0 point:15 students.
Unfair, not evaluated:7 solutions.

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