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16. In the loop shown, all curved sectio...

16. In the loop shown, all curved sections are either semicircles or quarter circles. All the loops carry the same current. The magnetic fields at the centers have magnitudes B1, B2, B3 and BA : 2R 2R B R R B 3R BA 3R 2R 2R R R B (i) B. is maximum (ii) B; is minimum (iii) B4 > B, > B2 >B; (iv) B, > B4 > B> Bz (2) ii, iii (1) i, ii, iii (3) i, ii (4) ii, iv

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