Physics · Magnetic Effects of Electric Current
Consider the following statements about a magnetic field: (i) A magnetic field has both magnitude and direction. (ii) Magnetic field lines due to a bar magnet originate from its north pole and terminate at its south pole (externally). (iii) The relative strength of a magnetic field is shown by the degree of closeness of the field lines. Select the correct option.
- 1(i) and (iii) are correct
- 2(i), (ii) and (iii) all are correct✓
- 3(i) and (ii) are correct
- 4(ii) and (iii) are correct
Correct answer
(i), (ii) and (iii) all are correct
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