Question

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Answer 1

Answer:

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Option(B)✔

Magnet and charge.

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Magnetic fields are produced by moving electric charges and the intrinsic magnetic moments of elementary particles associated with a fundamental quantum property, their spin.

Answer 2

Answer:

Option B. Magnet and charge

Explanation:

Magnetic field lines are produced as an indication of an object having magnetic properties and this magnetic field can be produced by a magnet (natural/artificial) and electrical charge when it's in motion. This property of moving charge to produce magnetic effects is also known as the magnetic effect of electric current.

I hope this helps you.