Question:
10 An equilateral triangle of side length 1 is formed from a
Last updated: 5/28/2023
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10 An equilateral triangle of side length 1 is formed from a piece of uniform resistance wire The current is fed as shown Then the magnitude of the magnetic field as its center O is A 3 1 2nl C I 2rl B C B 3 3 1 2rl D zero