A 131-turn circular coil of radius 2.97 cm and negligible resistance is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. The coil is connected to a 19.3 2 resistor to create a closed circuit. During a time interval of 0.103 s, the magnetic field strength decreases uniformly from 0.627 T to zero. Find the energy E in millijoules that is dissipated in the resistor during this time interval. E= 78.18 Incorrect mJ

A 131-turn circular coil of radius 2.97 cm and negligible resistance is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. The coil is connected to a 19.3 2 resistor to create a closed circuit. During a time interval of 0.103 s, the magnetic field strength decreases uniformly from 0.627 T to zero. Find the energy E in millijoules that is dissipated in the resistor during this time interval. E= 78.18 Incorrect mJ

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

A wire loop of radius 18 cm and resistance 9.6 is located in a uniform magnetic field that changes in magnitude as given in the figure. The loop's plane is perpendicular to the magnetic field. What is the magnitude of the emf in volts induced in the loop during the time intervals (a) t = 0 to 2.0 s; (b) 2.0 s to 4.0 s; and (c) 4.0 s to t = 6.0 s? (a) Number i (b) Number (c) Number i Units Units Units B (T) 0.5 0 2.0 4.0 6.0 / (s)
A coil has a radius of .351 m and 500 turns. From an original orientation with its plane perpendicular to the direction of a uniform magnetic field, the coil is rotated 1/4 of a revolution in 4.21 ms. Find the magnitude in Tesla, of the magnetic field strength required to induce an average emf of 9.53 kV.
A circular coil (670 turns, radius = 0.079 m) is rotating in a uniform magnetic field. At t = 0 s, the normal to the coil is perpendicular to the magnetic field. At t = 0.020 s, the normal makes an angle of 45 degrees with the field because the coil has made one-eighth of a revolution. An average emf of magnitude 0.052 V is induced in the coil. Find the magnitude of the magnetic field at the location of the coil.
A circular coil enclosing an area of 200 cm2 is made of 210 turns of copper wire. The wire making up the coil has resistance of 3.0 N, and the ends of the wire are connected to form a closed circuit. Initially, a 1.6-T uniform magnetic field points perpendicularly upward through the plane of the coil. The direction of the field then reverses so that the final magnetic field has a magnitude of 1.6 T and points downward through the coil. If the time required for the field to reverse directions is 0.50 s, what is the average current in the coil during that time? A
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.87 V and a current of 3.8 A are induced in the coil. The wire is then re-formed into a single-turn square coil, which is used in the same magnetic field (again perpendicular to the plane of the coil and with a magnitude changing at the same rate). What (a) emf and (b) current are induced in the square coil? (a) Number Mi Units (b) Number eTextbook and Media Hint Units
A circular copper loop is placed perpendicular to a uniform magnetic field of 0.05 T. Due to external forces, the area of the loop decreases at a rate of 1.26 ×10–3 m2/s. Determine the induced emf in the loop.
A coil has an area of 100 cm2 with 282 turns connected across a 5.00 Q resistor to form a closed circuit as in the figure. Initially, a 1.4 T uniform magnetic field points upward through the plane of the coil. The direction of the field then reverses so that the final magnetic field has a magnitude of 1.4T and points downward through the coil. If the time interval required for the field to reverse directions is 0.100 s, what is the average current (in units of A) in the coil during that time? В R Select one: A. 21.71 В. 7.90 OC. 17.77 D. 15.79 E. 3.95
A circular coil has a 10.0 cm radius and consists of 30 closely wound turns of wire. An externally produced magnetic field of magnitude 2.60 mT is perpendicular to the coil. When the current in the coil is 3.80 A in a certain direction, the net flux through the coil is found to vanish. What is the inductance of the coil in µH?
A 185‑turn circular coil of radius 3.79 cm and negligible resistance is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. The coil is connected to a 14.5 Ω resistor to create a closed circuit. During a time interval of 0.147 s, the magnetic field strength decreases uniformly from 0.537 T to zero. Find the energy ? in millijoules that is dissipated in the resistor during this time interval.
A loop of wire of radius a = 35 mm has an electrical resistance R = 0.038 Ω . The loop is initially inside a uniform magnetic field of magnitude B0 = 1.8 T parallel to the loop's axis. The magnetic field is then reduced slowly at a constant rate, which induces a current I = 0.20 A in the loop. How long does it take for the magnitude of the uniform magnetic field to drop from 1.8 T to zero? Find the time Δt it takes the magnetic field to drop to zero.
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.87 V and a current of 4.7 A are induced in the coil. The wire is then re-formed into a single-turn square coil, which is used in the same magnetic field (again perpendicular to the plane of the coil and with a magnitude changing at the same rate). What (a) emf and (b) current are induced in the square coil? (a) Number i Units (b) Number i Units >
. A solenoid has radius 5.80 mm, length 11.0 cm, 5000 turns, and is placed with its axis of symmetry along the x-axis, through the origin. A vector normal to the opening of the solenoid points to the right. We measure the resistance of the solenoid to be 14.0 Ω. The solenoid is in a region where the temperature is 49.0°C and initially, there is an external magnetic field of 0.30 T in the +x direction. Then the magnetic field is turned off and drops to 0 T over 50.0 milliseconds a. What is the magnitude of the average induced emf during the 50.0 milliseconds while the magnetic field magnitude decreases to 0? b. What is the direction of the induced current, as viewed from the right? Answer clockwise, counterclockwise, or zero and show work or explain in words. c. What is the magnitude of the induced current? d. What is the magnitude and direction of the induced magnetic field?