A square coil with a side length of 19.0 cm and 39 turns is positioned in a region with a horizontally directed, spatially uniform magnetic field of 86.0 mT and set to rotate about a vertical axis with anangular speed of 1.20 x 102 rev/min.(a) What is the maximum emf induced in the spinning coil by this field?V(b) What is the angle between the plane of the coil and the direction of the field when the maximum induced emf occurs? (Enter the angle with the smallest possible magnitude.)

Answered: Image /qna-images/answer/6b7e72d0-25f1-4568-9af9-4cf281de1ba7.jpg

Answered: A square coil with a side length of…

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 square coil with a side length of 21.0 cm and 35 turns is positioned in a region with a horizontally directed, spatially uniform magnetic field of 80.0 mT and set to rotate about a vertical axis with an angular speed of 1.20 x 10² rev/min. (a) What is the maximum emf induced in the spinning coil by this field? V (b) What is the angle between the plane of the coil and the direction of the field when the maximum induced emf occurs? (Enter the angle with the smallest possible magnitude.) O
An electrical generator consists of a circular coil of wire of radius 2.50 cm and with 20 turns in the coil. This coil rotates at a rate of 30 revolutions per second in a uniform magnetic field of strength 0.25 T. What is the induced EMF (voltage) in this generator, averaged over a quarter of a revolution (a 90o turn)?
Suppose a 50 turn coil lies in the plane of the page in a uniform magnetic field that is directed into the page. The coil originally has an area of 0.25 m2 . It is squished to have no area in 0.125 s. What is the magnitude of the average induced emf in volts if the uniform magnetic field has a strength of 1.5 T?
A 52-turn coil with an area of (5.5*10^-3)(m^2) is dropped from a position where B = 0.00 T to a new position where B = 0.55 T. If the displacement occurs in 0.25 s and the area of the coil is perpendicular to the magnetic field lines, what is the resulting average emf induced in the coil?
A circular conducting loop with radius 2.80 cm is placed in a uniform magnetic field of 0.650 T with the plane of the coil perpendicular to the magnetic field as shown. Axis The magnetic field decreases to 0.190 T in a time interval of 28.0 ms. What is the average induced emf in the loop during this interval?
A coil formed by wrapping 55 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 36.0° with the direction of the field. When the magnetic field is increased uniformly from 200 µT to 600 µT in 0.400 s, an emf of magnitude 80.0 mV is induced in the coil. What is the total length of the wire? m
A rectangular coil of 80 turns has dimensions of 34 x 52 cmcm and is located in a uniform 2 TT magnetic field. In 0.9 ss, the plane of the coil is rotated from a position where it makes an angle of 40° with the magnetic field to a position where it makes an angle of 64°. Calculate the average emf induced in the coil.
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 square coil with a side length of 13.0 cm and 35 turns is positioned in a region with a horizontally directed, spatially uniform magnetic field of 77.0 mT and set to rotate about a vertical axis with an angular speed of 1.20 ✕ 102 rev/min. (a) What is the maximum emf induced in the spinning coil by this field? V(b) What is the angle between the plane of the coil and the direction of the field when the maximum induced emf occurs? (Enter the angle with the smallest possible magnitude.) °
A square coil of side 4 cm and 200 windings initially lies perpendicular to a magnetic field of 4.0T (?̂ //?⃗ ). The coil is rotated through an angle θ of 75 degrees in 0.2 seconds. Calculate the average emf induced in the coil while it is being rotated
A circular spiral of 200 turns and 12 cm in diameter is designed to rotate 90° in 0.2 s. Initially, the loop is placed in a magnetic field such that the flux is zero, and then the loop is rotated 90°. If the induced emf in the loop is 0.4 mV, what is the magnitude of the magnetic field?
A circular wire coil with 12 turns and radius 3.92 cm is placed in a uniform magnetic field of strength 6.07 T, directed perpendicular to the plane of the wire loops. Over a period of 2.36 s, the magnetic field fades away to zero. What is the average induced emf (voltage) in the coil over this period of time?

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