Physics · Magnetic Effects of Electric Current
Which of the following statements regarding the magnetic field produced by a current-carrying circular loop is true?
- 1The magnetic field lines are parallel to the plane of the loop.
- 2The magnetic field intensity is completely uniform everywhere around the loop.
- 3The magnitude of the magnetic field depends on both the current and the radius of the loop.✓
- 4The magnetic field lines exactly at the center are circular.
Correct answer
The magnitude of the magnetic field depends on both the current and the radius of the loop.
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