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Ananya Shree

Class 12th
Physics
2 years ago

A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil?

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Muskan Anand

2 years ago

Correct option is C) B=μo​4πr2πNI​ =4π×0.084π×10−7×2π×100×0.4​  =3.14×10−4T

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