Draw a magnetic induction versus applied magnetic field graph of a typical ferromagnet and mark the critical points (saturation induction, coersive force, remnant induction). Explain what is going on in the material during the application of magnetic field.

Q: |A bar magnet of moment 2 Am' and having M.I. of 10“ kg/m² about a transverse axis passing through…

A: Given that:- Moment, M=2 Am2Moment of inertia, I=10-6 kg/m2Magnetic induction, B=0.8×10-5 wb/m2

Q: A toroidal solenoid of mean radius 20 cm has 4000 turns of wire wound on a ferromagnetic core of…

A: We need to compute-Calculation of magnetic field=?Effect of change of core=?Given that-Mean radius…

Q: Applying Ampere's law, construct an expression for magnetic field inside a current-carrying long…

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Q: Use Ampere's Law to explain why the magnetic field is zero inside a long, hollow copper pipe that is…

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Q: Suppose that the magnetic field is B = 0.01 T, that the distance between two side wires is D = 0.5…

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Q: A solenoid of length 1.00 cm and radius 0.850 cm has 25 turns. If the wire of the solenoid has 1.45…

A: Given: In this question, the given details are A solenoid of length 1.00 cm and the radius 0.850 cm…

Q: A coil carries a current and experiences a torque due to a magnetic field. The value of the torque…

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Q: Which of the following gives the least magnetic field? O a current carrying conductor iron-core…

A: Oersted observed that a magnetic field is produced around a current-carrying conductor. A…

Q: Which of the following does not explain why the magnetic flux on a closed surface equal to zero? 2…

A: Magnetic flux is defined as the amount of magnetic field passing through a given area and it can be…

Q: raw and explain the saturation curve of a ferromagnetic material. Indicate in the curve and explain…

A: Ferromagnetic materials are those which can exhibit spontaneous net magnetization even without any…

Q: Archaeologists can use instruments that measure small variations in magnetic field to locate buried…

A: Given: Need to explain how this leads to a measurable magnetic field variation over a buried wall by…

Q: You need to design a toroid with square windings such that the magnetic field in the centre of the…

A: Given: Magnetic field at center, Length of square winding,  Current, Magnetic field anywhere…

Q: Consider a circular conductor carrying a counterclockwise-flowing current as shown in the figure…

A: Given Current flowing in the wire in anticlockwise direction as shown in the figure We have to find…

Q: Suppose a coil of a book, as shown in figure below, and this book is lying on a table. The yertical…

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Q: Calculate the magnetic flux density

A: The question comprises of magnetic flux density

Q: Determine the magnetic induction at pin A in the figure for the conductor of electric current shown…

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Q: I Dexame Use Ampere's law to calculate the magnetic field at a distance, r, around a very long wire…

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Q: A short bar magnet has a magnetic moment magnet magnetic field produced by the distance of 10 cm…

A: A magnetic field refers to a vector field in the neighbourhood of a magnet, electric current or…

Q: A planet with earth like magnetic field can be considered as a bar magnet. Suppose, we have such a…

A: Given: The dipole of moment is μ→=μyj^+μzk^ The uniform magnetic field due to neutron star…

Q: Induction is the process of using magnetic fields to produce voltage, EMF. Describe two ways by…

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Q: Problem 9. A current is carried by a long, cylindrical wire of radius a male of a linear dielectrif…

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Q: a) Find the y and z component of magnetic dipole moment at this position? b)What is the angle…

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Q: The magnetic flux near the axis and inside the air core solenoid of length 60 cm carrying current…

A: Given-Length of solenoid=60 cm=0.6 mMagnetic flux=ϕ=1.57×10-6 Wbμ0=4π×10-7 S.I. unitTo find-Magnetic…

Q: A solenoid with a length of 65 cm and a radius of 2 cm has 300 turns of copper wire around a…

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Q: A coaxial cable consists of a long hollow cylindrical wire (inner radius b = 2.50 cm, outer radius C…

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Q: B. For the following magnetic circuit, the flux passing through the core is 1.32 mWb, the cross…

A: Flux density: The number of lines of force that travel through a unit area of material is known as…

Q: rrent I = 11 A is directed along the positive x-axis and perpendicular to a magnetic field. A…

A: We know that the formula of the magnetic force is given as  F = ILBsinθ where I is the current  L is…

Q: One technique of biological medical imaging that does not require the high magnetic fields utilized…

A: Given current (I) = 0.10 mA  Magnetic field (B) = 0.15 T Length (L) = 2.0 mm since, current is…

Q: What direction is the magnetic field oriented relative to the north and south poles of a magnet?…

A: Magnetic field lines are imaginary curves that shows direction of magnetic field around magnet.

Q: Ferromagnets INCREASE the magnetic flux density in the presence of a magnetic field. TRUE OR FALSE

A: Ferromagnetic materials are substance  that tend  display strong magnetism in the direction of…

Q: A short bar magnet has a magnetic 0.48 JT¹. Give the direction and magnitude of the magnetic field…

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Q: Construct Your Own ProblemConsider using the torque on a current-carrying coil in a magnetic field…

A: The problem can be constructed as: Consider a square loop of 100-turns of side 7.0 cm placed in a…

Q: A 170-turn solenoid having a length of 25 cm and a diameter of 7.9 cm carries a current of 0.25 A.…

A: Number of turns in solenoid is Length of solenoid is Diameter of solenoid is Current is…

Q: a) A conducting metal bar moving in a magnetic field "completes the circuit" as shown below, and…

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Q: In this problem, you will design a shake flashlight that can power a standard 1W, 3V flashlight…

A: The number of turns in the coil can be determine from induced emf. ε=N∆φ∆t…

Q: It is desired to construct a solenoid that will have a resistance of 2.46 ohm and produce a magnetic…

A: Resistance , R = 2.46 Ω Magnetic field , B = 4 x 10-2 T Current , I = 4.07 A Resistivity , ρ = 1.7 x…

Q: The magnetic flux of a coil willI be negative maximum when, O a. magnetic field is perpendicular to…

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Q: Which of the following is NOT a condition that must be met in order to utilize Ampere's law in…

A: Ampere’s Law is similar to Gauss’ Law, as it allows us to (analytically) determine the magnetic…

Q: © Sketch the magnetic field lines produced by a single loop of conductor carrying a current. The…

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Q: Electric rail cars often use magnetic braking. The brake consists of a set of electromagnets that…

A: When the electromagnet moves above the trails, the magnetic flux will decrease at the trailing edge.…

Q: Suppose you wish to produce a 1-T magnetic field in a toroid with an iron core for which magnetic…

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Q: Verify that the direction of the force in an MHD drive, such as shown , does not depend on the sign…

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Q: The International Geomagnetic Reference Field (IGRF) models the Earth's magnetic field using an…

A: In multipole expansion first term is the monopole term and the dipole term is given by the second…