Chemistry

Chemistry, 27.09.2019 14:30, mckenziebeach5ox9oy3

1.how does a magnet affect a compass needle? 2. how does an electric current affect a compass needle? 3.inquiry skill-compare. compare electricity and magnetism. how are they alike? when you compare, list what you know about each item. use the lists to make two new lists about the items-one of what is alike and one of what is different.

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Physics, 11.07.2019 20:30, johnsonkia873

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Physics, 28.08.2019 09:00, rosie20052019

Amagnetic compass is placed near an insulated copper wire. when the wire is connected to a battery and a current is created, the compass needle moves and changes its position. which is the best explanation for the production of a force that causes the needle to move? (1)the copper wire magnetizes the compass needle and exerts the force on the compass needle. (2)the compass needle magnetizes the copper wire and exerts the force on the compass needle. (3)the insulation on the wire becomes charged, which exerts the force on the compass needle. (4)the current in the wire produces a magnetic field that exerts the force on the compass needle.

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