Question: A surveyor is using a magnetic compass 5 . 3 m below a power line in which there is a steady current of 1 1
A surveyor is using a magnetic compass m below a power line in which there is a steady current of A
a What is the magnetic field in microteslas at the site of the compass due to the power line? b Will this field interfere seriously
with the compass reading? The horizontal component of Earth's magnetic field at the site is T
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