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Question
The magnetic field associated with a current-carrying straight conductor is in anticlockwise direction. If the conductor was held along the east-west direction, what will be the direction of current through it? Name and state the rule applied to determine the direction of current?
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Solution
It is given that the magnetic field associated with a current-carrying straight conductor is in anticlockwise direction. Further, the conductor was held along east–west direction; therefore, according to right hand thumb rule, the direction of current through it will be from east to west.
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