Physics · Magnetic Effects of Current
Consider the following statements about the magnetic field due to a current-carrying straight conductor: (a) The direction of the south pole of a compass needle at a point gives the direction of the magnetic field at that point. (b) The direction of the magnetic field lines gets reversed if the direction of the current in the conductor is reversed. Which of the above statements is/are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both (a) and (b)
- 2Neither (a) nor (b)
- 3Only (a)
- 4Only (b)✓
Correct answer
Only (b)
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