A long wire is bent in a circle/ loop. What will be the magnitude and direction of the field at centre O of the circular portion, if a current 'I' is passed through the wire?

Asked by Aria -- | 14th Jun, 2013, 02:13: AM

Expert Answer:

Using the right hand rule, we can find that the direction of the magnetic field at the center would be in upward (+j) direction. 
 

Answered by  | 14th Jun, 2013, 08:15: AM

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