TEACHER-GUIDE-VERIFIED · TG-V9-034

7. A magnetic field has perpendicular components 18 nT and 24 nT. Find magnitude.

Verified solution

Solution: B=sqrt(18^2+24^2)=sqrt900=30 nT.

Source: Teacher Guide V9 · English V9. Match the numbers and wording in your printed question before using this solution.

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VIDEO HELP · TG-V9-034

Your Turn: Find Magnetic-Field Magnitude (TG-V9-034)

Try the perpendicular 18 nT and 24 nT components yourself, then check the 30 nT magnitude with the Pythagorean theorem. Diagnose the 42 nT addition mistake and compare with video-24 using a three-quarter scale factor.

Space Math Explorers · approved worked example · 0:56 · Watch on YouTube

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These pages reproduce verified solution steps for the registered V9 questions. It does not diagnose learning needs or replace instruction from a qualified teacher or tutor.