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P. 4495. The form consisting of rings touching each other is soldered from a 1-m long metal wire of resistance 80 . (See the figure.) What is the resistance measured across the endpoints AB of the diameter of the great ring?

(4 points)

Deadline expired on 10 January 2013.

Google Translation (Sorry, the solution is published in Hungarian only.)

Megoldásvázlat. $\displaystyle R_{AB}=5~\Omega.$

Statistics on problem P. 4495.
 113 students sent a solution. 4 points: 72 students. 3 points: 25 students. 2 points: 7 students. 1 point: 6 students. 0 point: 2 students. Unfair, not evaluated: 1 solution.

• Problems in Physics of KöMaL, December 2012

•  Támogatóink: Morgan Stanley