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Results tagged with physics
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user 12408
A puzzle relating to physics equations or physical principles such as energy, entropy, and classical/quantum mechanics.
12
votes
Accepted
The largest and smallest value with 4 resistors
If you put all four resistors in series, you get a resistance $R_s=R_1+R_2+R_3+R_4$. If you put all four in parallel, you get a resistance $R_p$ such that $\frac1{R_p}=\frac1{R_1}+\frac1{R_2}+\frac1{R …
- 33.8k
16
votes
8
votes
How many boxes are conductors?
I can't draw a circuit diagram right now (see below), but I think I have a way for two fuses to test three boxes.
Connect each box in series with a 1 ohm resistor. Connect fuse 1 in series with a 1 o …
- 33.8k