Physics, 04.12.2020 01:00 thomasdianne
How does an electric motor use magnetic force to produce motion?
The north pole of a permanent magnet placed in the center of an electromagnet attracts the north pole of the electromagnet.
The north pole of an electromagnet placed in the center of a permanent magnet attracts the north pole of the permanent magnet.
The north pole of a permanent magnet placed in the center of an electromagnet repels the north pole of the electromagnet.
The north pole of an electromagnet placed in the center of a permanent magnet repels the north pole of the permanent magnet.
Answers: 1
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How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
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If a simple machine reduces the strength of a force, what must be increased?
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The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
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How does an electric motor use magnetic force to produce motion?
The north pole of a permanent magn...
Mathematics, 04.12.2020 01:40
Mathematics, 04.12.2020 01:40
Physics, 04.12.2020 01:40