90 POINTS
Question
What is the best description of how an electric motor works?
Question 4 options:
Metal electrodes in a solution generate positive and negative ions to turn chemical energy into electrical energy.
One magnet is pushed towards another magnet, causing it to move.
A current runs through a loop of wire in a magnet field; the force from the magnet causes the wire to rotate.
A magnet moves through a stationary coil of wire, causing an electric current to flow through it.
Answers: 2
Chemistry, 22.06.2019 15:30
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
Answers: 1
Chemistry, 22.06.2019 16:30
How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 â li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4
Answers: 3
90 POINTS
Question
What is the best description of how an electric motor works?
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What is the best description of how an electric motor works?
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