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Which of the following statements about the magnetic effect and the magnetic field are correct?
(i) An electric current through a copper wire produces a magnetic effect.
(ii) Iron filings align themselves along the magnetic field lines of a bar magnet.
(iii) A compass needle always points towards the magnetic north pole.
(iv) The magnetic field is the region surrounding a magnet where the force of the magnet can be detected.
  • a)
    (i) and (ii)
  • b)
    (iii) and (iv)
  • c)
    (i), (ii) and (iv)
  • d)
    (i) and (iv)
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which of the following statements about the magnetic effect and the ma...
  • (i) An electric current through a copper wire produces a magnetic effect. This is demonstrated by the deflection of the compass needle when current flows through the wire.
  • (ii) Iron filings align themselves along the magnetic field lines of a bar magnet, showing the pattern of the magnetic field.
  • (iv) The magnetic field is the region surrounding a magnet where the force of the magnet can be detected. This is evidenced by the iron filings aligning in specific patterns around the magnet.
Statement (iii) is incorrect because a compass needle points towards the geographic north, which is the magnetic south pole of Earth, not necessarily the magnetic north pole.
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Which of the following statements about the magnetic effect and the magnetic field are correct?(i) An electric current through a copper wire produces a magnetic effect.(ii) Iron filings align themselves along the magnetic field lines of a bar magnet.(iii) A compass needle always points towards the magnetic north pole.(iv) The magnetic field is the region surrounding a magnet where the force of the magnet can be detected.a)(i) and (ii)b)(iii) and (iv)c)(i), (ii) and (iv)d)(i) and (iv)Correct answer is option 'C'. Can you explain this answer?
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