mirnaelamir801 mirnaelamir801

18-01-2023
Physics

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7) A battery of emf 8 Volt and internal resistance 2 Ohm is connected to a straight wire of length 20cm, cross-sectional area 3x108m² and its resistivity 4.5×10 2.m. The magnetic flux density at a point which lies at normal distance of 10cm away from the axis of the wire is:

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