A straight conducting wire carries a DC current through it. Which one of the following statements is true regarding the magnetic field around the wire?
[amp_mcq option1=”The magnetic field does not depend upon the amount of current flowing through the wire” option2=”The magnetic field does not depend upon the distance from the wire” option3=”The magnetic field depends upon the material of the wire” option4=”The magnetic field decreases with an increase from the wire” correct=”option4″]
This question was previously asked in
UPSC Geoscientist – 2020