1.

An element Delta l = Delta x hatiis placed at the origin and carries a large current I = 10 A . What is the magnetic field on the y-axis at a distance of 0.5 m. Deltax = 1 cm.

Answer»

Solution :`dB=(mu_(0))/(4PI)(I(vec(dl)xxvecr))/(r^(3))`
`=(10^(-7)xx10xx10^(-2))/(25xx10^(-2))HATK`
`4XX10^(-8)T(hatk)`


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