![Physics](/tpl/images/cats/fizika.png)
Physics, 04.12.2019 19:31, Nopernope11
An electromagnet is a device in which moving electric charges (current) in a coil of wire create a magnet. what’s one advantage of using electromagnets in devices? a electromagnets have a strong, constant magnetic field. b electromagnets are more powerful than permanent magnets. c electromagnets don’t need a source of electricity to work. d electromagnets can easily be turned on and off.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
![image](/tpl/images/cats/fizika.png)
![image](/tpl/images/cats/fizika.png)
![image](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:50, boopiee2349
Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.
Answers: 1
Do you know the correct answer?
An electromagnet is a device in which moving electric charges (current) in a coil of wire create a m...
Questions in other subjects:
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 19:40
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 19:40
![Konu](/tpl/images/cats/biologiya.png)
Biology, 19.11.2020 19:40
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/biologiya.png)