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A thin wire is bent in the form of a square of side2 cm carries a current of 2 A. The squaremagnetic field at the centre of the due to one sideis nearly(1) 2.8 × 10–5 T (2) 2.5 × 10–4 T(3) 8 × 10–3 T (4) 1.4 × 10–3 T |
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Answer» A thin wire is bent in the form of a square of side 2 cm carries a current of 2 A. The square magnetic field at the centre of the due to one side is nearly (1) 2.8 × 10–5 T (2) 2.5 × 10–4 T (3) 8 × 10–3 T (4) 1.4 × 10–3 T |
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