A flip coil is a relatively simple device used to measure a magnetic field. It consists of a circular coil of N turns wound withfine conducting wire. The coil is attached to a ballistic galvanometer, a device that measures the total charge that passesthrough it. The coil is placed in a magnetic field B such that its face is perpendicular to the field. It is then flipped through180°, and the total charge Q that flows through the galvanometer is measured.(a) If the total resistance of the coil and galvanometer is R, what is the relationship between B and Q? Because the coil isvery small, you can assume that B is uniform over it.Ο Βα1OBα Q²Ο Βα1Βαρ(b) How can you determine whether or not the magnetic field is perpendicular to the face of the coil?O The coil is hardest to turn when the magnetic field is perpendicular to its face.The coil is easiest to turn when the magnetic field is perpendicular to its face.

Answered: Image /qna-images/answer/c692b2f0-4aff-47dc-b84a-6e6e64085c68.jpg

Answered: A flip coil is a relatively simple…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A 1000 kg automobile drive west along the equator near Lake George in Uganda. At this location the earth’s magnetic field is 3.5 x 10 ^-5 T and points north parallel to the earth’s surface. If the automobile carries a charge of -20 x 10^-6 charge, how fast must it move so that the magnetic force balances 0.010 percent of its weight?
An electron is moving to the right when suddenly a magnetic field is switched on that points out of the page. Describe the resulting path of the electron. O a clockwise circle in the plane of the page O a circular path coming out of the page on the right and into the page on the left O a counterclockwise circle in the plane of the page O a straight line O a circular path coming out of the page on the left and into the page on the right
A magnetic dipole is under the influence of two magnetic fields. The angle between the field directions is 60°, and one of the fields has a magnitude of 1.2 × 10-2 T. If the dipole comes to stable equilibrium at an angle of 15° with this field, what is the magnitude of the other field?
A singularly-charged ion (i.e. a neutral atom which has gained one electron) with kinetic energy of 7x10−15 J follows a circular path of radius 0.6m when placed in a magnetic field of 0.5T. (Note that the charge of an electron is e = 1.6 x 10−19 C.) a) Using the fact that the ion is going in a circular motion in a magnetic field, what is the ion’s momentum (in kg.m/s)? b) What is the ion’s speed (in m/s)? c) What is the ion’s mass (in kg)? d) An electric field is added to the experiment and adjusted so that the ion passes through without any deflection. What is the magnitude of this electric field (in T)?
A proton moving in the positive y direction perpendicular to a magnetic field experiences a force due to a magnetic field in the positive x direction. What is the direction of the magnetic field over this region? draw a diagram showing the moving particle, the magnetic field, and the path of the proton in the field as it is deflected by the magnetic field
A positive charge is moving downward in a uniform magnetic. The charge initially is deflected to the right. What is the direction of the magnetic field?
Starting from rest, an electron is accelerated through a region between two oppositely charged plates, as shown in Figure 1. The distance between the plates is 10 cm and the magnitude of the potential difference between them is 100 V. Immediately after exiting the region with the uniform electric field, the electron enters a region with a uniform magnetic field of 0.85 T, directed into the page. (a) Calculate the magnitude of the electric force on the electron. (b) Calculate the work done by the electric force on the electron. (c) Determine the electron's speed when it enters the magnetic field. (d) Determine the magnitude and direction of the magnetic force on the electron when it enters the magnetic field. (e) Suppose that the experiment was repeated with the locations of the positive and negative plates switched, and the electron was replaced with a proton, but nothing else was changed. Calculate R,/R., the ratio of the radius of the proton's path in the magnetic field (R,) to that…
A 13-cm length of wire is held along an east-west direction and moved horizontally to the north with a speed of 2.2 m/s in a region where the magnetic field of the earth is 55 micro-T directed 28° below the horizontal. What is the magnitude of the potential difference between the ends of the wire? Write your answer in micro-volts.
In 1897, the English physicist J. J. Thomson used crossed electric and magnetic fields to measure the charge to mass ratio of electrons. (A) Determine the ratio in SI units. (B) Determine the charge to mass ratio of a proton. (C) In one experiment, electrons are accelerated to speed v by an electric field E, and are then deflected by a magnetic field B. For the parameters given below, calculate the radius of the circular arc in the magnetic field. electric field = = 2.85 kV/cm; distance of the acceleration = 0.84 m; magnetic field = 0.08 T ]
A current of strength I=1A flows through the copper wire. The wire consists of two straight parts between points A(1,2,3)cm and B(1,3,2)cm and between points B and C(2,1,3)cm. The wire is located in a homogeneous magnetic field of induction B=1T. a) If the total force on the wire is 0, calculate the direction of the magnetic field. b) If we rotate the direction of the magnetic field so that the total force on the wire is the largest, calculate the maximum possible force on the wire.

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