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1. |
A large magnet is broken into two pieces. If lengths of two pieces are in the ratio of 3 : 4 what is the ratio of their pole strengths? |
A. | 3 : 4 |
B. | 4 : 3 |
C. | 1 : 1 |
D. | 3 : 2 |
Answer» D. 3 : 2 | |