An eight-turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm (see figure). The coil lies in the plane of the page and has a 5.80-A current flowing clockwise around it. If the coil is in a uniformmagnetic field of 1.90 x 104 T directed toward the left of the page, what is the magnitude of the torque on the coil? Hint: The area of an ellipse is Azab, where a and b are, respectively, the semimajor and semiminor axes of theellipse.N-mB30.0 cmT40.0 cmNeed Help?Read ItMaster It

Given : No. of turns of coil N = 8 a = 40/2 = 20 cm , and b = 30/2 = 15 cm…

Answered: An eight-turn coil encloses an…

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 horizontal compass is placed 0.9cmdue South from a straight vertical wire carrying a 15.5A current in the direction shown in the figure above. The horizontal component of the earth's magnetic field at this location is Be=4.5×10−5T and points North. In which direction does the compass needle point? Give the angle between East and the compass needle in degrees. Also what is the magnitude of the B-field at the position of the compass? Please times your final answer by 104, in units of T.
A square coil and a rectangular coil are each made from the same length of wire. Each contains a single turn. The long sides of the rectangle are twice as long as the short sides. Find the ratio T-square / T-rectangle of the maximum torques that these coils experience in the same magnetic field when they contain the same current.
In an electric motor, a coil with 100 turns of radius 2.0 cm can rotate between the poles of a magnet. The magnetic field magnitude is 0.20 T. When the current through the coil is 50.0 mA, what is the maximum torque that the motor can deliver?
A Current of 11 A flows in a coil Has 36 turns and is 25 cm long on each side. The magnetic field is uniform and has a strength of .75 T. If the coil is angled at 37 degrees, what is the torque on the coil, assuming it can pivot on an appropriate axis?
The diagram shows a rectangular conducting coil with 13 turns that is in a magnetic field with a strength of 5280 mT experiences a torque of 22.5 mN.m. The sides of the loop parallel to line d, are parallel to the magnetic field, and the sides of the loop parallel to line d₂ are perpendicular to the magnetic field. The length of d₂ is 0.049 m and the ratio of d, to d₂ is 2.5. d₁ d₂ S a) Find the current through the coil in milliampere: b) Find the magnitude of the magnetic dipole moment in Am²:
A current of 5.2 A is maintained in a single circular loop having a circumference of 80 cm. An external magnetic field of 2.0 T is directed so that the angle between the field and the plane of the loop is 20°. Determine the magnitude of the torque (in units of N.m) exerted on the loop by the magnetic forces. Select one: OA. 0.50 OB.0.55 OC 018 OD.035 OE 041 Next page
H6
A 71.8 cm length of wire carries a current of 0.264 A. It is bent into a circular loop and placed in a magnetic field that makes an angle 10.1 deg with the normal of the loop. Determine the magnetic field magnitude if the torque on the loop is 0.311 N*m.
A single rectangular loop of area 3.14 m2 carries a current of 10.0 mA. It is placed in a uniform magnetic field of magnitude 0.500 T that is directed parallel to the plane of the loop as shown in the figure. The current is clockwise in the loop. (a) What is the magnitude of the torque exerted on the loop by the magnetic field? (b) Describe how the loop would rotate, such as which side could move out of page, you can draw the directions...show your reasoning steps. e.g. which rule you use.
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest as in the figure below. The belt is a 155-turn coil. When the patient inhales, the area encircled by the coil increases by 40.0 cm². The magnitude of Earth's magnetic field is 50.0 μT and makes an angle of 25.0° with the plane of the coil. Assuming a patient takes 2.00 s to inhale, find the magnitude of the average induced emf in the coil during that time. μV Coil

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