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Four long, parallel conductors carry equal currents of 5.0A. The direction of the currents is into the page at point A and B and out of the page at C and D. Calculate the magnetic and direction of the magnetic field at point P, located at the centre of the square.

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`B_("net") =4B cos 45^@=4/sqrt2 (mu_0I)/(2pir)=4/sqrt2 (mu_0)/(2pi) 5/(sqrt2xx0.1)`
` implies B_("net")=2xx10^-5T(-hatj)`

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CENGAGE PHYSICS-SOURCES OF MAGNETIC FIELD-Concept Exercise 2.1
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  11. In Fig, find the magnetic field at point P.

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  13. A wire is bent into the shape shown in fig and the magnetic field is m...

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