pq is current carrying conductor in the plane of the paper as shown mention the direction of magnetic fields produced by it at points a and b .given r1
Asked by | 17th Sep, 2012, 08:23: PM
the direction of magnetic field is given by the right hand thumb rule.
Stretch out your thumb and curl your fingers in a thumbs up position.
then the direction of thumb represents the direction of current and the curl of the fingers represents the direction of magnetic field.
Answered by | 18th Sep, 2012, 10:47: PM
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