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Auxiliary Nurse Midwife Exam 2019 Solved Paper

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Question : 6

Total: 150

The magnetic field induction at a point 4cm from a long current carrying wire is 10−3T. The magnetic field induction at a distance of 2cm from the same current carrying wire will be :

2×10−4T
2×10−3T
3×10−3T
4×10−3T

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