A plane coil of diameter 8 CM is made from a 30 long wire. A current flows through the coil., calculate the magnetic field at it's centre . Please help me if u can
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Answer:
Given
n=50turns, R=0.5m, I=5A,
According to Bio-sawart Law
magnetic flux density is given by B
⇒B=
2R
μ
0
nI
⇒B=
2×0.5
4π×10
−7
×50×5
=3.14×10
−3
T
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