Question:
What does the direction of thumb indicate in the right-hand thumb rule. In what way this rule is different from Fleming’s left-hand rule ?
(CBSE 2010,2012)
Solution:
In the right hand rule, the direction of thumb indicates the direction of flow of current in the straight conductor.
Right-hand thumb rule is used to determine the direction of the magnetic field produced by a current carrying straight conductor. However, Flemings
left hand rule is used to determine the direction of the force experienced by a current carrying conductor placed in a uniform magnetic field.
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