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Physics CBSE Live product
Class 8 (2025-26)
Electricity: Magnetic and heating effects
Revision III - Electricity: Magnetic and heating effects
7.
Magnets: Compare and contrast
Question:
1
m.
Choose the best answer:
Which of the following correctly compares the magnetic field of a current-carrying conductor and a permanent magnet?
Conductor: permanent; Magnet: temporary
Both have magnetic fields only when a compass is near
Conductor: circular field lines; Magnet: no field lines
Conductor: exists only when current flows; Magnet: always present
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