NCERT Exercise 12.1 — Q7 - Magnetic Effects of Electric Current
Question: State the rule to determine the direction of (i) magnetic field produced around a straight conductor-carrying current, (ii) force experienced by a current-carrying straight conductor placed in a magnetic field perpendicular to it, and (iii) current induced in a coil due to its rotation in a magnetic field.
Answer: (i) **Right-hand thumb rule**. (ii) **Fleming's left-hand rule**. (iii) **Fleming's right-hand rule**.
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