A current of 2 amperes is flowing through a circular coil of radius 10cm containing 100 turns. The magnetic flux density at the centre of the coil is (in wb/m2
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Answer:
B=
2r
nμ
0
i
=
10×10
−2
100×2π×10
−7
×2
=0⋅126×10
−2
T
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