What causes an electromagnet to create a magnetic field?
A. The Earth's magnetic field.
...
Physics, 12.02.2021 09:10 mooncake9090
What causes an electromagnet to create a magnetic field?
A. The Earth's magnetic field.
B. The poles are attracted to each other.
C. The iron is wrapped with a coiled wire.
D. There is a current flowing through the wire.
Answers: 2
Other questions on the subject: Physics
Physics, 22.06.2019 14:40, sherlinejules1
You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
Physics, 22.06.2019 15:20, alissalhenry
Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.
Answers: 3
You know the right answer?
Questions in other subjects:
Mathematics, 12.10.2020 23:01
History, 12.10.2020 23:01
English, 12.10.2020 23:01
