Physics · Magnetic Effects of Electric Current
Consider the following statements regarding magnetic fields: Statement - I: The magnetic field lines emerge from the north pole and merge at the south pole outside a bar magnet. Statement - II: The direction of the magnetic field at any point is taken to be the direction in which the north pole of a compass needle points. Statement - III: There is no magnetic field inside a bar magnet. Statement - IV: The relative strength of the magnetic field is shown by the degree of closeness of the field lines. Which of the above statements are correct?
- 1Statements - II, III and IV
- 2Statements - I, II and IV✓
- 3Statements - I, II and III
- 4Statements - I, II, III and IV
Correct answer
Statements - I, II and IV
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