Why is an electromagnet a temporary magnet?
a. an electromagnet cannot be turned on and...
Why is an electromagnet a temporary magnet?
a. an electromagnet cannot be turned on and off.
b. an electromagnet is a magnet when no current flows through the wire. the electromagnet no longer acts as a magnet when current flows through the wire.
c. an electromagnet is only a magnet if a current flows through the wire continuously.
d. an electromagnet becomes a magnet when a current flows through the wire. an electromagnet no longer acts as a magnet when the current flow stops.
Answers: 1
Another question on Biology
Biology, 22.06.2019 00:50
Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems
Answers: 3
Biology, 22.06.2019 03:30
Someone me with this: a mineral' is determined by its actomic structure.
Answers: 2
Biology, 22.06.2019 03:50
Explain how the political influence of african americans leaders became weaker.
Answers: 2
Biology, 22.06.2019 08:00
Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.
Answers: 1
You know the right answer?
Questions
Social Studies, 16.10.2020 01:01
Law, 16.10.2020 01:01
History, 16.10.2020 01:01
Physics, 16.10.2020 01:01
Mathematics, 16.10.2020 01:01
Mathematics, 16.10.2020 01:01
