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Asked by jhajuhi19 6th June 2020, 6:10 PM
Answered by Expert
Answer:
Q: - In following diagram there is a straight wire carrying a current I. Consider a circular path with radius (R) near it.
 
Solution: - 
The magnetic field due to a current carrying conductor obeys right hand thumb rule. 
Thus, the magnetic field will be perpendicular to plane of circular path.
 Thus, the tangential magnetic field will be given as, 
BT = 0
therefore integral stack B subscript T with rightwards arrow on top. stack d calligraphic l with rightwards arrow on top space equals space 0  
Option (4) is correct. 
Answered by Expert 6th June 2020, 7:58 PM
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