1.

A square of side LM lies in the xy plane in a region, when the magnetic field is given by vecB=B_0(2 hat i+3 hat j+4 hatk) T where B_0is constant. The magnitude of flux passing through the square is …..Wb.

Answer»

`2B_0L^2`
`3B_0L^2`
`4B_0L^2`
`sqrt29B_0L^2`

SOLUTION :`vecA=L^2veck and vecB=B_0(2hati+3hatj+4hatk)`
`THEREFORE phi=vecA.vecB=L^2hatk.[B_0(2hati+3hatj+4hatk)]`
`=B_0L^2(0+0+4)`
`=4B_0L^2`


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