Multiple Choice
The magnetic field at a distance of 2 cm from a long straight current-carrying wire is 4 μT.What is the magnetic field at a distance of 4 cm from this wire?
A) 2 μT
B) 4 μT
C) 6 μT
D) 8 μT
E) 10 μT
Correct Answer:
Verified
Correct Answer:
Verified
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