Physics, 19.11.2020 17:50 tddreviews
Which action is the best way to turn an electromagnet off?
A. Pull the central core out of the wire coil.
B. Make the wire coil around its central core colder or hotter.
C. Disconnect the wires between the wire coil and the battery.
D. Turn on the ammeter that is measuring electric current.
Answers: 1
Another question on Physics
Physics, 22.06.2019 16:30
3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?
Answers: 2
Physics, 23.06.2019 00:30
Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?
Answers: 1
Physics, 23.06.2019 05:30
Herman is walking his pet fish, leo , back and forth along the canal. suppose the canal is 30 meters long and he goes up and back 25 times. a) what distance has herman walked?
Answers: 3
You know the right answer?
Which action is the best way to turn an electromagnet off?
A. Pull the central core out of the wire...
Questions
Mathematics, 10.05.2021 17:40
Biology, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
History, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
Mathematics, 10.05.2021 17:40
