Everyday Science Medium fpsc ppsc nts

Which phenomenon causes a needle to deflect when placed near a current-carrying wire?

  • A Magnetism
  • B Gravity
  • C Static electricity
  • D Sound waves
Correct Answer: Option A — Magnetism
Explanation: A current-carrying wire produces a magnetic field around it which deflects a nearby compass needle demonstrating the link between electricity and magnetism.
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MCQ Details
SubjectEveryday Science
DifficultyMedium
Exam Typesfpsc, ppsc, nts
CorrectOption A
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