1.

In previous question, if both conductors carry equal currents in the same direction

Answer»

`B_(1)ne0,B_(2)ne0`
`B_(1)=B_(2)=0`
`B_(1)NE,B_(2)=0`
`B_(1)=0,B_(2)ne0`

Solution :If CURRENT are in the same direction.
`RGTC, B_(2)=(mu_(0).2I)/(2pir)=(mu_(0)I)/(pir)`


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