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Find the magnitude and direction of magnetic field at point P due to the current carrying wire as shown in

Text Solution

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`B=(mu_0I)/(4piR)[sin theta_1+sin theta_2]`
Here, `theta_1=-30^@, theta_2=60^@`. Putting these values, we get
`B=(mu_0I)/(4piR)[-1//2+sqrt3//2]=(mu_0I)/(8piR)(sqrt3-1)`
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