Physics · Magnetic Effects of Electric Current
A steady electric current passes through a long, straight conductor. The magnetic field lines produced around the conductor are:
- 1Straight lines parallel to the conductor in the direction of current
- 2Straight lines parallel to the conductor opposite to current direction
- 3Radial lines originating from the conductor
- 4Concentric circles with their center at the conductor✓
Correct answer
Concentric circles with their center at the conductor
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