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Given vec(B) = 2 hat (i) + 2 hat(j) . Fi...

Given `vec(B) = 2 hat (i) + 2 hat(j)` . Find out magnitude and direction of `vec(B)`

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`B_(x) = 2, B_(y) = 2`
`|vec(B)| = sqrt((2)^(2) + (2)^(2)) = 2sqrt(2)`
If `vec(B) ` makes `angle phi` with x-axis , then
`tan phi = (B_(y))/(B_(x)) = (2)/(2) = 1 `
`:. angle phi = 45^(@)`
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