A magnetic field of 37.2 T has been achieved at the MIT Francis Bitter Magnet Laboratory. Part A Find the current needed to achieve such a field 2.20 cm from a long, straight wire. Express your answer with the appropriate units. HA ? I= Value Units Submit Request Answer • Part B Find the current needed to achieve such a field at the center of a circular coil of radius 37.0 cm that has 100 turns. Express your answer with the appropriate units. THHẢ Value Units Submit Reguest Answer • Part C Find the current needed to achieve such a field near the center of a solenoid with radius 2.20 cm, length 30.0 cm, and 40,000 turns. Express your answer with the appropriate units. I= Value Units

A magnetic field of 37.2 T has been achieved at the MIT Francis Bitter Magnet Laboratory. Part A Find the current needed to achieve such a field 2.20 cm from a long, straight wire. Express your answer with the appropriate units. HA ? I= Value Units Submit Request Answer • Part B Find the current needed to achieve such a field at the center of a circular coil of radius 37.0 cm that has 100 turns. Express your answer with the appropriate units. THHẢ Value Units Submit Reguest Answer • Part C Find the current needed to achieve such a field near the center of a solenoid with radius 2.20 cm, length 30.0 cm, and 40,000 turns. Express your answer with the appropriate units. I= Value Units

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 72AP: A particle moving downward at a speed of 6.0106 m/s enters a uniform magnetic field that is...

See similar textbooks

Similar questions

Two flat, circular coils, each with a radius R and wound with JV turns, ace mounted along the same axis so that they are parallel a distance d apart. What is the magnetic field at the midpoint of the common axis if a current I flows in the same direction through each coil?
Two long, straight wires are parallel and 25 cm apart. (a) If each wire carries a current of 50 A in the same direction, what is the magnetic force per meter exerted on each wire? (b) Does tire force pull the wires together or push them apart? (c) What happens if the currents flow in opposite directions?
Acircularcoiofwireofradius5.Ocmhas2Otums and carries a current of 2.0 A. The coil lies in a magnetic field of magnitude 0.50 T that is directed parallel to the plane of the coil. (a) What is the magnetic dipole moment of the coil? (b) What is the torque on the coil?
A circular loop of wire of area 10 cm2 carries a current of 25 A. At a particular instant, the loop lies in the xy-plane and is subjected to a magnetic field B=(2.0i+6.0j+8.0k)103T . As viewed from above the xy-plane, the current is circulating clockwise. (a) What is the magnetic dipole moment of the current loop? (b) At this instant, what is the magnetic torque on the loop?
Check your Understanding Themagneticfield shown below Is confined to the cylindrical region shown and is changing withtime. Identity those paths for which =EdI0 .
A wire ismade into a circular shape of radius R and pivoted along a central support.The two ends of the sire are touching a banish that is connected to a &power source. The stricture is between the poles of a magnet such that we can assume there is a uniform magnetic field on the wire. In terms of a coordinate system with origin at the center ofthe ring, magneticfieldisBx=B0,By=Bz= 0. and the ring rotates about the z-axis. Find the torque on the ring siren it is not in the xz-plane.
A toroid with an inner radius of 20 cm and an outer radius of 22 cm is tightly wound with one layer of wire that has a diameter of 0.25 mm. (a) How many turns are there on the toroid? (b) If the current through the toroid windings is 2.0 A, what is the strength of the magnetic field at the center of the toroid?
When the current through a circular loop is 6.0 A, the magnetic field at its center is 2.0104 T. What is the radius of the loop?
(a)What is the angle between a wire carrying an 8.00-A current and the 1.20-T field It Is in if 50.0 cm of the wire experiences a magnetic force of 2.40 N? (b) What is the force on the wire If It Is rotated to make an angle of 90° with the field?
A long-rigid wire lies along the x-axis and cairns a current of 2.5 A in the positive x-direction. Around the wire is the magnetic field B=2.0i+5.0x2j, With x in meters and B in millitesla. Calculate the magnetic force on the segment of wire between x=2.0m and x=4.0m .
An electron in a TV CRT moves with a speed of 6.0107 m/s, in a direction perpendicular to Earth's field, which has a strength of 5.0105 T. (a) What strength electric field must be applied perpendicular to the Earth’s field to make the election moves in a straight line? (b) If this is done between plates separated by 1.00 cm, what is the voltage applied? (Note that TVs are usually surrounded by a ferromagnetic material to shield against external magnetic fields and avoid the need for such a collection,)
For calculating magnetic fields, what are the advantages and disadvantages of the Biot-Savart law?