The law used to find the direction of magnetic field lines is.........

Right hand thumb rule

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Clasp rule

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Both A and B

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None of the above

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Solution

The correct option is B Both A and B
The direction of magnetic field lines produced due to the flow of current is theoretically determined with the help of right hand thumb rule. The other name for right hand thumb rule is clasp rule.

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Similar questions

When the thumb of a right hand is pointing in the ___, the direction of curl of fingers will be the direction of magnetic field lines.

List I	List II
(a) Fleming's left hand rule	(e) Direction of induced current
(b) Right hand thumb rule	(f) Magnitude and direction of magnetic induction
(c) Biot-Savart law	(g) Direction of force due to magnetic induction
(d) Fleming's right hand rule	(h) Direction of magnetic lines due to current

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