Questions is in the picture, thanks QuestionsFaraday's Law1.a)The figure below shows a coil of wire that has 4 turns and an area of 1.6cm2. It moves through a magnetic fieldof 5T, as shown below, and leaves the field over a time interval of 0.25s. Calculate the induced e.m.f within the wire.b)The same coil of wire is now dropped through the magnetic field, as shown below. It leaves the magnetic fieldwithin a time interval of 0.25s. Calculate the induced e.m.f in this situation.2.A search coil of 500 turns and diameter 0.6cm is placed within a uniform magnetic field. The search coil is connectedto a voltmeter, which registers a reading of 0.015V when it is withdrawn from the magnetic field at an angle where theplane of the coil is at right angles to the magnetic field lines. It is removed from the field over a time interval of 0.35s.Calculate the magnetic flux density of the uniform magnetic field.Questions Continued3.The unit for flux linkage is:a)Teslab)Voltc)Weberd)Weber per meter squaredThe graph below shows the variation of magnetic flux linkage with time for a basic generator.Magnetic FluxLinkage (Wb)2.5tTime (ms)378-2.5t-5a)Calculate the frequency of rotation of the coilb)Calculate the maximum e.m.f induced by the generatorc)Calculate Vms of the generator4.

Answered: Image /qna-images/answer/ef012fda-0c33-45c8-94c9-acf02682ac0b.jpg

a) The figure below shows a coil of wire that has 4 turns and an area of 1.6cm². It moves through a magnetic field of 5T, as shown below, and leaves the field over a time interval of 0.25s. Calculate the induced e.m.f within the wire. b) The same coil of wire is now dropped through the magnetic field, as shown below. It leaves the magnetic field within a time interval of 0.25s. Calculate the induced e.m.f in this situation. 100

a) The figure below shows a coil of wire that has 4 turns and an area of 1.6cm². It moves through a magnetic field of 5T, as shown below, and leaves the field over a time interval of 0.25s. Calculate the induced e.m.f within the wire. b) The same coil of wire is now dropped through the magnetic field, as shown below. It leaves the magnetic field within a time interval of 0.25s. Calculate the induced e.m.f in this situation. 100

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter25: Electromagnetic Induction

Section: Chapter Questions

Problem 38A

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Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

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