Two coils are connected to different power supplies. Each coil carries a current of 0.15 A. Coil A has 300 turns of wire. Coil B has 400 turns of wire. Which of these statements is correct? Select one: a. Coil B produces a larger magnetic field because it has more resistance. b. Coil B produces a larger magnetic field because it has more turns. c. Coil A produces a larger magnetic field because it has less resistance. d. Coil A produces a larger magnetic field because it has fewer turns of wire.

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Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.