(1) The figure shows a 350 turn circular loopof radius 20 cm placed with its normalmaking an angle 55° with the externalmagnetic field. If the loop is carrying acurrent 25 A then it experiences a torque of250 N· m.înCalculate,(a) The magnetic dipole moment inA/m?(b) The magnetic field strength intesla(2) An ion with charge 6.4x1019 C and amass of 7.95 x 10-26travels perpendicular to a 1.95 T magnetickgfield, moves in a circular arc with a 40.6 cmradius.(a) Calculate it's velocity in m/s =

Number of turns = 350radius = 20 cm angle = 55oCurrent (I) = 25 Atorque = 250 Nm

(1) The figure shows a 350 turn circular loop of radius 20 cm placed with its normal making an angle 55° with the external magnetic field. If the loop is carrying a current 25 A then it experiences a torque of 250 N m. în Calculate, (a) The magnetic dipole moment in A/m2 (b) The magnetic field strength in tesla

(1) The figure shows a 350 turn circular loop of radius 20 cm placed with its normal making an angle 55° with the external magnetic field. If the loop is carrying a current 25 A then it experiences a torque of 250 N m. în Calculate, (a) The magnetic dipole moment in A/m2 (b) The magnetic field strength in tesla

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 32P: A particle of charge q and mass m is accelerated from rest through a potential difference V, after...

See similar textbooks

Similar questions

Check Your Understanding The wire loop forms a full circle of radius R and current I. What is the magnitude of the magnetic field at the center?
Repeat the previous problem, but with the loop lying flat on the ground with its current circulating counterclockwise (when viewed from above) in a location where Earth’s field is north, but at an angle 45.0° below the horizontal and with a strength of 6.0105T.
Check Your Understanding A uniform magnetic field of magnitude 1.5 T is directed horizontally from west to east, (a) What is the magnetic force on a proton at the instant when it is moving vertically downward in the field with a speed of 4 x 107 m/s? (b) Compare this force with the weight w of a proton.
The current loop shown in the accompanying figure lies in the plane of the page, as does the magnetic field. Determine the net force and the net torque on the loop if I=10and B=1.5T .
12.4 Check Your Understanding Two wires, both carrying current out of the page, have a current of magnitude 2.0 mA and 3.0 mA, respectively. The first wire is located at (0.0 cm, 5.0 cm) while the other wire is located at (12.0 cm, 0.0 cm). What is the magnitude of the magnetic force per unit length of the first wire on the second and the second wire on the first?
A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in a uniform magnetic field of magnitude 4.0105 T that is directed vertically downward, what is tire resultant magnitude of the magnetic field 20 cm above the wire? 20 cm below the wire?
12.3 Check Your Understanding Using Example 12.3, keeping the currents the same in wires 1 and 3, what should the current be in wire 2 to counteract the magnetic fields horn wires 1 and 3 so that there is no net magnetic field at point P?
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 .
Check Your Understanding Using Example 12.5, at what distance would you have to move the first coil to have zero measurable magnetic field at point P?
Is B constant in magnitude for points that lie on a magnetic field line?
Considering the magnetic force law, are the velocity and magnetic field always perpendicular? Are the force and velocity always perpendicular? What about the force and magnetic field?
The magnetic field perpendicular to a single sire loop of diameter 10.0 cm decreases fron 0.50 T to zero. The re Is made of copper and has a diameter of 2.0 mm and length 1.0 cm. How much charge moves thrnugh the re while tt field is changing?