A long wire carrying a certain current produces a magnetic field of 0.8 Tesla at a distance 0.5 cm. Then magnetic field at a distance of 1 cm is:

A long wire carrying a certain current produces a magnetic field of 0.

1.	A long wire carrying a certain current produces a magnetic field of 0.8 Tesla at a distance 0.5 cm. Then magnetic field at a distance of 1 cm is:
A.	0.16 Tesla
B.	0.2 Tesla
C.	0.8 Tesla
D.	0.4 Tesla
Answer» E.

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A long wire carrying a certain current produces a magnetic field of 0.8 Tesla at a distance 0.5 cm. Then magnetic field at a distance of 1 cm is:

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