Physics, 12.10.2019 22:30 velaserik1
Choose all of the statements that are true about electromagnets: 1. electromagnets are permanent and always have a magnetic field around them. 2. electromagnets can be made stronger by adding more coils to the solenoid. 3. electromagnets can be made stronger by increasing the strength of the electrical source. 4. none of the above.
Answers: 3
Physics, 22.06.2019 03:30
The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared
Answers: 1
Physics, 22.06.2019 11:30
You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
Answers: 2
Choose all of the statements that are true about electromagnets: 1. electromagnets are permanent an...
Mathematics, 02.03.2021 22:10
Biology, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
History, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Arts, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
English, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10
Arts, 02.03.2021 22:10
Mathematics, 02.03.2021 22:10