18. 6. เส้นลวดตัวนายาว 60 เซนติเมตร มีกระแสไฟฟ้าไหลผ่าน 10 แอมแปร์ และทามุม 30o
กับทิศ
ของสนามแม่เหล็กขนาด 1.5 เทสลา จงหาขนาดของแรงที่เกิดในหน่วยนิวตัน
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A charged particle moving in a plane perpendicular to a magnetic field will move in a
circular orbit as shown in the diagram. What is the magnetic force on the particle with 25
C of charges?
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ที่มา : https://braingenie.ck12.org/skills/105698
A wire of 62.0 cm length and 13.0 g mass is suspended by a pair of flexible leads in a
uniform magnetic field of magnitude 0.440 T (see figure) what are the magnitude and
direction of the current required to remove the tension in the supporting leads?
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ที่มา : https://web.njit.edu/~janow/Physics%20121%20Fall%202019/Solved%20Homework%20Problems%20-
%20HR/ProbHR09sol.pdf
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