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A thin straight conductor carries a current of 1 mA. The magnetic field produced by it at a distance of 2mm is a. 0.1mT b. 10mT c. 1T d. 10T

 
A thin straight conductor carries a current of 1 mA. The magnetic field produced by it at a distance of 2mm is
a. 0.1mT b. 10mT c. 1T d. 10T
 

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2 Answers

Vikas TU
14149 Points
4 years ago
Hiii Regina 
Magnetic field produced by thin wire carrying current is given by 
B = mew *I / (2*pie*r)
where r is in meter.
So , B = 4 * pie * 10-7* 10-3/ 2* pie * 0.002
so , ans would be 1
Vikas TU
14149 Points
4 years ago
Hiii I, have wrongly submitted the ans , the
Ans is 1T which is option c is the correct option for this question .

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