Now we know about Faraday's Law, so we will work through a problem using it. B A coil has 28 turns of wire wrapped on a frame with a square cross-section of 1.80 cm on side. The total resistance of the coil is 0.350 02. An applied uniform magnetic field changes from 0.00 T to 0.500 T in 0.800 s. What is the initial magnetic flux in the coil? O 5.06 x 10-3 V 00 O 1.62 x 10-4 Wb X x What must happen to induce an emf? What is the final magnetic flux in the coil? O 5.06 x 10-3 V 10 0 O 1.62 x 10-4 Wb ✓ ✓ Right!= BA= (0.500 T) (0.000324) =1.62 x 10-4 Wb. What is the magnitude (in V) of the voltage in the coil for the changing field using Faraday's Law?

Now we know about Faraday's Law, so we will work through a problem using it. B A coil has 28 turns of wire wrapped on a frame with a square cross-section of 1.80 cm on side. The total resistance of the coil is 0.350 02. An applied uniform magnetic field changes from 0.00 T to 0.500 T in 0.800 s. What is the initial magnetic flux in the coil? O 5.06 x 10-3 V 00 O 1.62 x 10-4 Wb X x What must happen to induce an emf? What is the final magnetic flux in the coil? O 5.06 x 10-3 V 10 0 O 1.62 x 10-4 Wb ✓ ✓ Right!= BA= (0.500 T) (0.000324) =1.62 x 10-4 Wb. What is the magnitude (in V) of the voltage in the coil for the changing field using Faraday's Law?

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)...

See similar textbooks

Similar questions

ASAP
A circular coil of 50 turns and radius 8.0cm is placed with its plane oriented at 90 degrees to a magnetic field of .20 T. the field is now increased at a steady rate, reaching a value of .80T after 3.0 seconds. What emf is induced in the coil? a. 40V b. 0V c. 0.20V d. 0.0040V e. 2010V
6. The conducting rod shown in the accompanying figure moves along parallel metal rails that are 25-cm apart. The system is in a uniform magnetic field of strength 0.75 T, which is directed into the page. The resistances of the rod and the rails are negligible. a. What is the emf (including its sense) induced in the rod when it is moving to the right with a speed of 5.0 m/s? b. What force is required to keep the rod moving at this speed? c. What is the rate at which work is done by this force? d. What is the power dissipated in the resistor? B x M x x t x 25 cm 5.0 m/s 0.25 N * N
A flat circular coil with 100 turns has a radius of 0.04 m and a resistance of 0.5 ohms. It is exposed to a changing magnetic field that is perpendicular to the coil. The rate at which the magnetic field is changing is ∆B/∆t=0.782(T/s). a. Find the emf (voltage) induced in the coil. b. What is the current in the coil? c. Sketch a picture of the scenario and, based on your drawing, show the direction of the induced current PLEASE SHOW ALL WORK!! Thank you!!
A conducting wire loop of radius 12 cm, that contains a 4.0-2 resistor, is in the presence of a uniform magnetic field of strength 3.0 T that is perpendicular to the plane of the loop. If the magnetic field is turned off in a time of 0.50 s, what is the current induced in the loop? a. 52 mA b. 68 mA O c. 95 mA d. 117 mA O e. 168 mA
A small circular coil of 20 loops of wire having a radius of 1 cm is at rest in the X-y plane (so the normal to the loop points in the +z-direction). A uniform magnetic field of 0.5 T is turned on in the +x-direction. What is the magnetic flux through the loop? a. 7.85 x 10 Tm² b. 1.57 x 10 4 T m² O c. 3.14 x 10 3 T m2 O d. 0 T m2
UCF PHY2054 Post Lab - Unit 07 Magnetic Fields Due to Currents 1. Consider a point 1.0 cm away from a long, straight wire. For each case below, give the current that is needed to generate listed magnetic field strength. a. Surface of the Earth- 5X10T b. Refrigerator magnet- 5x10 T c. Laboratory magnet- 0.1 to 1 T d. Superconducting magnet- 10 T
In a physics laboratory experiment, a coil with 160 turns enclosing an area of 10.4 cm² is rotated in a time interval of 4.40x10-2 s from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The earth's magnetic field at the lab location is 7.0x10-5 T. Part B What is the magnetic flux through each turn of the coil after it is rotated? Express your answer using two significant figures. 15. ΑΣΦ Submit Part C Request Answer What is the average emf induced in the coil? Express your answer using two significant figures. Submit 195] ΑΣΦ Request Answer ? V Wb
75. A circular loop of wire with a diameter of 8.0 cm lies in the zx plane, centered about the origin. A uniform magnetic field of 2,500 G is oriented along the +y direction. What is the magnetic flux through the area of the loop? H.W
A loop of wire with an area of 0.10 m² is in a uniform magnetic field that has an initial value of 4.0 T. The magnetic field is perpendicular to the plane of the loop, and is decreasing at a constant rate of 0.20 T/s. If the loop has a resistance of 0.500 N, what is the current induced in the loop? O A. - 0.04 A О В. О O C. 0.40 A O D. 0.04 A
b.) Find the net magnetic field at P. 10.) When a magnetic field is first turned on, the magnetic flux through a 10-turn coil varies over time. The equation for the magnetic flux is m = 200.0t2 – 120.0t, where the magnetic flux is measured in webers, and the t is in minutes. The loop is in the plane of the page, with the unit normal pointing out of the page. dºm a.) Calculate an expression for dt b.) Find an equation for the induced emf as a function of time.
A loop of wire sits in an external magnetic field as shown (in other words, the field shown in the picture is NOT a field created by the loop). The loop has a radius of 2.8 m. If the external magnetic field changes from 5.5 T to 11 T in 6.1 s, what is the magnitude of the induced emf in the loop? a. 2.22×101 V b. 2.22×101 V c. 1.59×101 V d. 4.44×101 V e. 7.07 V