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The magnetic field at the distance of 2cm from the axis of the straight conductor carrying current is 12mT. The current in a conductor in ampere is

The magnetic field at the distance of 2cm from the axis of the straight conductor carrying current is 12mT. The current in a conductor in ampere is

Grade:10

1 Answers

chandan banik
32 Points
6 years ago
Expression for the magnetic field due to a infinite current carrying wire is,
\large B=\mu i/2\Pi r
or,12*10^-3=(4\tiny \prod *10^-7)i/ 2\tiny \prod(2*10^-2)
or,i=1200 ampere
 
 

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