Chemistry, 21.05.2021 18:00 jessnolonger
100 POINTS
A wire is coiled around an iron core, and a current runs through it to create an electromagnet. How would you INCREASE the power of the electromagnet?
Question 3 options:
Increase the voltage of the power source to create a higher current
Open a switch so that the current stops.
Replace the iron core with copper.
Make the wire straighter, so it wraps around the core fewer times
Answers: 2
Another question on Chemistry
Chemistry, 21.06.2019 21:00
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 22:30
What if it is did darwin used to support his theory of evolution
Answers: 1
Chemistry, 23.06.2019 04:00
The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart
Answers: 1
Chemistry, 23.06.2019 04:10
An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability
Answers: 3
You know the right answer?
100 POINTS
A wire is coiled around an iron core, and a current runs through it to create an electro...
Questions
Mathematics, 15.04.2021 19:40
Spanish, 15.04.2021 19:40
History, 15.04.2021 19:40
English, 15.04.2021 19:40
Biology, 15.04.2021 19:40
English, 15.04.2021 19:40
Mathematics, 15.04.2021 19:40
Mathematics, 15.04.2021 19:40
Mathematics, 15.04.2021 19:40
