• Puzzle solutions are due by 9:00 AM on Friday of each week.
• Puzzles are worth 5 points of extra credit each.
• Answers must be accompanied by valid reasoning. Just like the tests, the answer alone isn't enough!
• Each week, the first student to submit a correct answer will recieve the stylish 251 T-shirt.
• Previous winners get a "virtual t-shirt." No shirt, but a chance to win a prize with actual value at the end of the semester (often a book, or maybe software).
• Please enter your solution in the text area at the bottom of this page. DON'T FORGET TO GIVE YOUR NAME!

The circuit above shows a battery, two identical lightbulbs, an inductor and a switch. All of the components may be considered to be ideal. Initially, no currents are flowing. At t = 0, the switch is closed, it is left closed for a long time, then it is reopened, and another long time passes.

Just after the swtch is first closed, which bulb will be brighter? What about just before it is reopened? Just afer it is reopened? Finally, which bulb will emit more total light during the course of the experiment?

Don't forget to explain your answer as clearly as possible.

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