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Find the magnetic field at point P due to a straight line segment AB of length 6 cm carrying a current of 5A. (See figure) (μ 0 = 4 π × 10 –7 N-A –2 ) A B P 6 cm

1. 1.5 × 10 –5 T
2. 3.0 × 10 –5 T
3. 2.0 × 10 –5 T
4. 2.5 × 10 –5 T

Correct answer: 1.5 × 10 –5 T

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