Your friend wants to be a magician and intends to use Earth's magnetic field to suspend a current-carrying wire above the stage. He asks you to estimate the minimum current needed to suspend the wire just above Earth's surface at the equator (where Earth's magnetic field is horizontal). Assume the wire has a linear mass density of 12 g/m, and the Earth's magnetic field strength is 5.0 x 10-5. Would you advise him to proceed with his plans for this act?
Answers: 2
Other questions on the subject: Physics
Physics, 22.06.2019 13:50, Geo777
Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination. at the turning point, how far is the second student from the destination?
Answers: 3
Physics, 22.06.2019 14:30, uwunuzzles
Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current
Answers: 1
Physics, 22.06.2019 18:30, ayahabdulhaqq2
An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
Answers: 2
You know the right answer?
Your friend wants to be a magician and intends to use Earth's magnetic field to suspend a current-ca...
Questions in other subjects:
Mathematics, 10.11.2021 20:40
Mathematics, 10.11.2021 20:40
Mathematics, 10.11.2021 20:40
History, 10.11.2021 20:40
Mathematics, 10.11.2021 20:40
