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If you have a room with 3 bulbs connected to 3 switches outside the room, how would you figure out which switch corresponds to which bulb if you are only allowed to go into the room once. You are not allowed to use any external equipment?
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Electrical Engineer Internship

Interviewed at Lutron Electronics

3.7
Nov 2, 2013

If you have a room with 3 bulbs connected to 3 switches outside the room, how would you figure out which switch corresponds to which bulb if you are only allowed to go into the room once. You are not allowed to use any external equipment?

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