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The segment of wire shown in figure carr...

The segment of wire shown in figure carries a current of `i = 5.0 A` where the radius of the circular arc is `R = 3.0 cm`. Determine the magnitude and direction of the magnetic field at the origin.

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Unit vector of `hat(u)_b`
`hatu_b=haticos(90- theta)+hatjcos theta= sin thetahati+cos theta hatj`

`sin theta=5/(sqrt(5^2+12^2))=5/13, cos theta=12/(sqrt(5^2+12^2))=12/13`
`hatu_B=5/13 hati+12/13hatj=1/13(5hati+12hatj)`
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CENGAGE PHYSICS ENGLISH-SOURCES OF MAGNETIC FIELD-Concept Exercise 2.1
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  2. In Fig. Find the magnetic field at common centre.

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  3. The segment of wire shown in figure carries a current of i = 5.0 A whe...

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  4. A long, straight wire, carrying a current 200A, runs through a cubical...

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  5. The wire shown in Fig. carries current I in the direction shown. The w...

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  6. A circular loop of radius R carries current I2 in a clockwise directio...

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  7. For the arrangement shown in Fig. determine the magnetic field at cent...

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  8. Four long, parallel conductors carry equal currents of 5.0. The direct...

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  9. A long vertical wire carrying a current of 10A in the upward direction...

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  10. Figure shows a long wire bent at the middle to form a right angle. Sho...

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  11. In Fig. two long parallel wires (seen end-on) that are a distance R ap...

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  12. Figure shows a square loop of edge a made of a uniform wire. A current...

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  13. Let two long parallel wires, a distance d apart, carry equal currents ...

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  14. A long, circular pipe, with an outside radius R, carries a (uniformly ...

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  15. Shown in Fig. is an end-on view of three long, straight, parallel cond...

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  16. In Fig, find the magnetic field at point P.

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  17. Current I flows through a long conducting wire bent at right angle as ...

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

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  19. Charge is sprayed onto a large non-conducting belt above the left-hand...

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  20. An infinitely long, noc-conducting cylidner of radius R lies along the...

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