Is it true that the Right-hand thumb rule is used to find the direction of the lines of magnetic force in a current carrying conductor?

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True

False

answer is A.

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Detailed Solution

The above statement is True.
The Right-hand thumb rule is used to find the direction of the lines of magnetic force in a current carrying conductor.
We can say that according to the Right-hand thumb rule, if one holds the current-carrying straight wire in the right hand in such a way that the stretched thumb points to the direction of the current, then the direction of the magnetic field is given by the direction of the curl of fingers.
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