ScienceMagnetic Effects of Electric CurrentEnglish Medium 150 questions
Practice questions (150)
Question 1 of 150
Which set correctly matches a rule with its main use?
Right-hand thumb rule: magnetic field direction; Fleming's left-hand rule: force direction
○ Right-hand thumb rule: resistance; Fleming's left-hand rule: voltage
○ Both rules: fuse rating only
○ Both rules: domestic wiring colour
Show explanation
The right-hand thumb rule determines the magnetic-field direction around a current-carrying conductor, while Fleming's left-hand rule gives force direction. — Examisthan.com
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