Question
Thu June 28, 2012 By: Sneha Soni
 

Sir i have not understood right hand thumb rule? What is it??

Expert Reply
Thu June 28, 2012
The above showed rule is the Right hand thumb rule.
 
It basically shows the direction of magnetic field when we apply current through a wire.
 
For a current moving in the direction of thumb, i.e. here upwards, the magnetic field's curl is shown by the curl of the fingers
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