The magnetic field at a distance of 2 cm from a current carrying wire is 4 μT.What is the magnetic field at a distance of 4 cm from the wire?
A) 1/2 µT
B) 1 µT
C) 2 µT
D) 4 µT
E) 8 µT

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The Answer of The magnetic field at a distance of 2 cm from a current carrying wire is 4 μT.What is the magnetic field at a distance of 4 cm from the wire?
A) 1/2 µT
B) 1 µT
C) 2 µT
D) 4 µT
E) 8 µT

The Magnetic Field at a Distance of 2 Cm from a Current