Question

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Q.13. A 4 m Long wire has diameter of 0.3 mm. If it's resistance is 302, find
it's resistivity and conductivity
Q. 14 A circular coil has 1000 turn each of area 2 m if a current of 3 m? A flow
through the coil, find the magnetic moment of a coil.

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Answer 1

Answer:

please find attachment

Explanation: