NEET Physics (general) MCQ Question
Which of the following statements about the magnetic field and electric charges is correct?
The magnetic field at every point on a circle of radius r with the wire along the axis is the same in magnitude.
The magnetic field is only influenced by static electric charges and not by moving charges.
The similarity between the magnetic field expression and electric field for a dipole suggests a direct relationship between magnetism and electrostatics.
Electric charges do not contribute to the magnetic field unless they are in motion.
Correct Answer
Detailed Explanation
The first statement about the magnetic field being uniform along a circle with the wire along its axis is accurate. The other statements either misrepresent the relationship between electric charges and magnetic fields or are incorrect.
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