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Right Hand Thumb Rule

The direction...

Question

The direction of magnetic field lines of a current carrying conductor can be found out using the rule.

A

right hand thumb

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B

Fleming's right hand

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C

Fleming's left hand

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D

left hand thumb

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Solution

The correct option is A right hand thumb
The direction of magnetic field lines around a straight current-carrying wire is found out using the right hand thumb rule. If you hold the current carrying conductor in your right hand in a way that the thumb points in the direction of the current flow, the fingers encircle the conductor in the direction of the magnetic field generated either clockwise or counter-clockwise.

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Similar questions

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Q. With the help of a labeled diagram illustrate the pattern of magnetic field lines of the magnetic field around a current carrying straight long conducting wire. How is the right hand thumb rule useful to find direction of magnetic field associated with a current carrying conductor?

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(b) State the rule for direction of magnetic field produced around a current carrying straight conductor. Draw a sketch of the pattern of field lines due to current flowing through a straight conductor.

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