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P. 3924. If a bulb, rated at 15 W and 230 V, and another bulb rated at 100 W and 230 V are connected in series and a voltage supply of 230 V is applied the 15 W bulb operates as if it was connected to the 230 V voltage supply, but the 100 W bulb does not operate at all. Explain the phenomenon.

(4 points)

Deadline expired on 11 December 2006.

Statistics on problem P. 3924.
 221 students sent a solution. 4 points: 175 students. 3 points: 8 students. 2 points: 10 students. 1 point: 20 students. Unfair, not evaluated: 8 solutions.

• Problems in Physics of KöMaL, November 2006

•  Támogatóink: Morgan Stanley