[ciniva (OP)]

Which of the magnets in the image below has the strongest magnetic attraction on the North pole (in order).
I think the order follows (B, C, D, A)
With magnet 'A' the thickness exceeds the diameter dimension (thickness may weaken its magnetic force on the poles)?

Am I right?


magnets-power.png (18.23 kB . 1092x733 - viewed 4477 times)