Physics, 20.12.2019 02:31 angelnjones42
Which of the following characteristics are displayed by hard magnetic materials?
1.a relatively small hysteresis loop.
2.a relatively large hysteresis loop.
3.magnetization and demagnetization may be achieved using relatively low applied fields.
4.magnetization and demagnetization require relatively high applied fields.
Answers: 2
Physics, 21.06.2019 23:30
Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.
Answers: 1
Physics, 22.06.2019 20:00
Awave that is traveling fast can be said to have a high a. frequency b. speed c. wavelength d. amplitude e. period f. none of these
Answers: 1
Physics, 22.06.2019 23:00
Hunter’s velocity was 4.5 m/s. at the end of his race, his velocity was the same. which best describes his movement? his movement stopped. his acceleration is zero. his time was constant. his acceleration was positive.
Answers: 1
Physics, 22.06.2019 23:00
Which of the following will cause an induced current in a coil of wire? the constant field of the earth passing through the coil a magnet resting near the coil a magnet being moved into or out of the coil a wire carrying a constant current near the coil
Answers: 3
Which of the following characteristics are displayed by hard magnetic materials?
1.a r...
1.a r...
History, 03.09.2020 02:01
Physics, 03.09.2020 02:01
Geography, 03.09.2020 02:01
Mathematics, 03.09.2020 02:01
Mathematics, 03.09.2020 02:01
History, 03.09.2020 02:01
Spanish, 03.09.2020 02:01
Mathematics, 03.09.2020 02:01
Biology, 03.09.2020 02:01
Social Studies, 03.09.2020 02:01
Chemistry, 03.09.2020 02:01
Mathematics, 03.09.2020 02:01