A circular coil of wire consisting of 100 turns, each of radius `8*0cm` carries a current of `0*40A`. What is the magnetude of the magnetic field `vecB` at the centre of the coil?

A circular coil of wire consisting of 100 turns, each of radius `8*0cm

1.	A circular coil of wire consisting of 100 turns, each of radius `80cm` carries a current of `040A`. What is the magnetude of the magnetic field `vecB` at the centre of the coil?
Answer» Here, `n=100`, `r=80xx10^-2m`, `I=040A`, `B=?` `B=(mu_0)/(4pi)(2pinI)/(r)=10^-7xx2xx(22)/(7)xx(100xx04)/(8xx10^-2)=31xx10^-4T`

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A circular coil of wire consisting of 100 turns, each of radius `8*0cm` carries a current of `0*40A`. What is the magnetude of the magnetic field `vecB` at the centre of the coil?

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A circular coil of wire consisting of 100 turns, each of radius `80cm` carries a current of `040A`. What is the magnetude of the magnetic field `vecB` at the centre of the coil?