5. 9. Find the size and direction of the force per meter exerted on the bottom wire by the top 4. I-5A, in all wires. The distance between each wire is lcm. Also find the strength of the magnetic seld at the location of the middie wire. FIND THE 4dLo, r, 1 AT LOCATI0N Of 2 WIRG PROA TOp pue TOTHE F/A= N/m UTHER 4- T. l ת LdL ,o B=

5. 9. Find the size and direction of the force per meter exerted on the bottom wire by the top 4. I-5A, in all wires. The distance between each wire is lcm. Also find the strength of the magnetic seld at the location of the middie wire. FIND THE 4dLo, r, 1 AT LOCATI0N Of 2 WIRG PROA TOp pue TOTHE F/A= N/m UTHER 4- T. l ת LdL ,o B=

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 12.3CYU: 12.3 Check Your Understanding Using Example 12.3, keeping the currents the same in wires 1 and 3,...

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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?
12.7 Check Your Understanding What is the ratio of the magnetic field produced from using a finite formula over the infinite approximation for an angle of (a) 85°? (b) 89°? The solenoid has 1000 mins in 50 cm with a current of 1.0 A flowing through the coils
Is B constant in magnitude for points that lie on a magnetic field line?
Check Your Understanding Using Example 12.1, at what distance would P have to be to measure a magnetic field half of tire given answer?
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 .
The magnetic flux through the loop shown in the accompanying figure varies with time according to m=2.00e3tsin(120t) , where m is in milliwebers. What are the direction and magnitude of the current through the 5.00 resistor at (a) t= 0; (b) t=2.17102 s and (c)t=3.00 s?
Check Your Understanding Consider using Ampere’s law to calculate the magnetic fields of a finite straight wire and of a circular loop of wire. Why is it not useful for these calculation?
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.
Check Your Understanding A straight, flexible length of copper wire is immersed in a magnetic field that is directed into the page, (a) If the wire's arrent runs in the +x-direction, which way will the wire bend? (b) Which way will the wire bend if the current nms in the -x-direction?
A solenoid is wound with 2000 turns pet meter. When the cuiient is 5.2 A, what is the magnetic field within the solenoid?
The accompanying figure shows a metal disk of inner radius r1 and other radius r2 rotating at an angular velocity while in a uniform magnetic field directed parallel to the rotational axis. The brush leads of voltmeter are connected to the dark's inner and outer surfaces as shown. What is the reading of the voltmeter ?
How is the percentage change in the strength of the magnetic field across the face of the toroid related to the percentage change in the radial distance from the axis of the toroid?