How is an electromagnet different from a bar magnet?
question options:
a....
Physics, 22.01.2020 03:31 jodiisbored2621
How is an electromagnet different from a bar magnet?
question options:
a. only a bar magnet has a magnetic field.
b. only an electromagnet attracts materials made of iron.
c. an electromagnet is temporary and is magnetic when a current flows through a wire wrapped around the core.
d. a bar magnet is a temporary and is only magnetic when a current flows through a wire wrapped around the core.
Answers: 2
Another question on Physics
Physics, 21.06.2019 16:00
Study the diagram showing the range of temperature in the earth’s layers. which temperature most likely corresponds to the asthenosphere? 1,613°c 2,521°c 3,628°c 6,217°c
Answers: 2
Physics, 22.06.2019 03:50
Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?
Answers: 1
Physics, 22.06.2019 08:00
Who was the first scientist to measure speed as distance over time?
Answers: 1
Physics, 22.06.2019 09:00
Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack
Answers: 2
You know the right answer?
Questions
Mathematics, 21.10.2020 17:01
Mathematics, 21.10.2020 17:01
Mathematics, 21.10.2020 17:01
Health, 21.10.2020 17:01
Geography, 21.10.2020 17:01
Advanced Placement (AP), 21.10.2020 17:01
History, 21.10.2020 17:01
