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Could i please get some help with this, i am trying to prepare for a final, thank you. Question 1 through the origin? A proton

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Could i please get some help with this, i am trying to prepare for a final, thank you.

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Question 1 through the origin? A proton travels at a speed of 4.68x10' m/s along the x-axis. What is the magnetic field at the point (0.00 cm, -6.00 cm, 0.00 cm) when the proton passes O -2.08x10-16 KT O 2.08x10-16 k T O 2.55x10-32 k T O -2.55x10-32 k TQuestion 2 The figure shows a closed surface that has a line integral of the magnetic field of 1.00x10- Tm. If /1 = 20.0 A, /2 = 10.0 A and /4 = 25.0 A, what is the current flowing through /3? O 10.8 A, out of the page O 35.8 A, into the page O 10.8 A, into the page O 35.8 A, out of the page Question 3 A proton travels through a magnetic field with a strength of 2.10 T and is traveling at a speed of 4.20x10' m/s. What is the force on the proton as shown in the figure? O 2.00x10-11 j N O 9.98x10-12-j N O 9.98x10-12 j N 2.00x10-11 -j N8. (Knight Problem 29.43) What are the strength and direction of the magnetic field at the center of the loop in FIGURE P29.43? [Answer: 4.1 x 10 *T, into page.] 3.0 A C 2.0 cm FIGURE P29.43 9. (Knight Problem 29.49) Your employer asks you to build a 20-cm-long solenoid with an interior field of 5.0 mT. The specifications call for a single layer of wire, wound with the coils as close together as possible. You have two spools of wire available. Wire with a #18 gauge has a diameter of 1.02 mm and has a maximum current rating of 6 A. Wire with a #26 gauge is 0.41 mm in diameter and can carry up to 1 A. Which wire should you use, and what current will you need? [Answer: #18, 4.1 A.]10. (Knight Problem 29.59) An electron travels with speed B = 25 T 1.0 x 10' m/s between the two parallel charged plates shown in FIGURE P29.59. The plates are separated by 1.0 cm 500 m/s

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