2.0 2 4.0 cm

Q: A 16 turn conductive loop with an enclosed are of 0.44 m? exists in the plane of the page. A uniform…

A: Number of turn N = 16 Area of loop = 0.44m2 value of B(t) = 3t2e-0.4t resistance of loop = 2.5ohm

Q: A wire loop with a resistance, R = 0.160 Ohms is pulled to the right out of a region with a uniform…

A: The expression for the required force is,

Q: In Figure a stiff wire bent into a semicircle of radius a = 2.0 cm is rotated at constant angular…

A: angular speed= 40 rev/sB=20mTa=2 cmTo find- Frequency & Induced Emf

Q: A rectangular metallic loop of dimensions ℓ and ω and resistance R moves with constant speed υ to…

A: Given: Dimension of loop = l×w. Width of magnetic field = 3w. Velocity of loop = v. Resistance with…

Q: As shown is a graph of the induced emf versus time for a coil of N turns rotating with angular speed…

A: (a) According to Faraday’s law of electromagnetic induction, if there is a change in magnetic flux…

Q: The figure below shows twe parallel conducting rails, oriented vertically, connected to each other…

A:

Q: Motional emf 1.PNG OB For the configuration above, the rectangular bar is moving at 4.01 m/s to the…

A: Given data: The speed of bar is v=4.01 m/s. The magnetic field is B=13.5 T. The external resistance…

Q: A magnetic B field of strength 0.9 T is perpendicular to a loop with an area of 4 m². If the area of…

A: Given data The magnitude of the magnetic field is B = 0.9 T The area of the loop initially is A1 = 4…

Q: A square conducting loop is in a region of uniform, constant magnetic field. Can the loop be rotated…

A: Can the loop be rotated about an axis along one side and no emf be induced in the loop?

Q: What is the peak emf (in kV) generated by a 0.260 m radius, 520-turn coil that is rotated one-fourth…

A:

Q: A square wire loop with 1.5 m sides is perpendicular to a uniform magnetic field, with half the area…

A:

Q: A conducting bar of mass m = 0.2 kg, length / = 0.5 m, and resistance R slides in a horizontal plane…

A:

Q: Square loop of copper wire- ks = side length ххх х х х X x x xBx Above this line: B uniform and…

A: The weight of the loop (gravitational force) is pulling  down on this loop. It is so because the…

Q: The figure below shows a bar of mass m = 0.220 kg that can slide without friction on a pair of rails…

A: Given,

Q: A circular wire loop of radius 12 cm and resistance 8.5 Q is located in a uniform magnetic field…

A: Radius, r = 12 cm = 0.12 m  BMax = 0.5 T Δt = 4 s - 2 s = 2 s

Q: The square loop as in the figure is made of wires with total resistance R =12.3 Q. The loop is…

A: Total resistance = 12.3 Ohms Magnetic field, B= 0.1 T

Q: For the next two items, consider a thin conducting rod of length L riding along two parallel…

A: Given problem is related to megnetic feild effect.

Q: Refer to diagram 3. A closed circular loop (N = 8,666 turns, radius r, resistance R = 4.19 Q) sits…

A: When a coil carrying current is placed in either a varying magnetic field or the coil itself is…

Q: Consider a wire loop of area A = 1m? initially far from any sources of magnetic field. A strong bar…

A: Given, Area(A)=1m² Magnetic field (B)=1T Time(T)=0.1s Induced emf(E)=?

Q: A B

A:

Q: Consider the arrangement shown in the figure below. Assume R = 7.00 n and t = 1.40 m, and a uniform…

A: Resistance = 7 ohm  Length (L) = 1.4 m  Magnetic field (B) = 2 T  Current (I) = 0.5 A

Q: What is the peak emf (in kV) generated by a 0.280 m radius, 400-turn coil that is rotated one-fourth…

A: The value of radius and number of turns of the coil and time and magnetic field. Then We have to…

Q: There is a circular conducting loop with diameter = 8 cm that has 400 turns that is placed in a…

A: Diameter of loop, d=8cm⇒0.08m Number of turns, N=400 Initial magnetic field, B1=0.4T Final magnetic…

Q: Consider a rectangular loopof wire 6.8 cm by 9.2 cm in a uniform magnetic field of magnitude1.7 T.…

A: Given data: The one side of the rectangular loop is a=6.8 cm. The another side of the rectangular…

Q: A solid conducting fly-wheel 0.6 m in diameter, is revolving on a horizontal axle which lies in the…

A: area swept by rod in one rotation = π0.32 Hence change in flux in one rotation = Bπ0.32 Hence emf…

Q: A conducting rod spans a gap of length L = 0.234 m and acts as the fourth side of a rectangular…

A: Given: Length of conducting rod (L) = 0.234 m. Magnitude of magnetic field (B) = 0.35 T The…

Q: A single circular loop of wire of radius 0.25m is positioned in a uniform magnetic field of 0.25T…

A:

Q: A conducting rod with length L = 20 cm is being pulled along a long rotated U-shape conductor, with…

A:

Q: What is the peak emf (in kV) generated by a 0.230 m radius, 520-turn coil that is rotated one-fourth…

A:

Q: . Calculate the magnetic dipole moment of a coil of 250 turns, and cross-sectional area of 2.52 x…

A:

Q: As shown in the figure, a metal bar of length l= 0.25 m is free to slide on frictionless rails. A…

A:

Q: The normal to the plane of a single-turn conducting loop is directed at an angle θ to a spatially…

A: Formula of induced emf is as follows; ε=dϕdt…

Q: For the system shown above with a constant magnetic field out of the page of 39.9 T; and with v =…

A:

Q: (1) ta

A: Given: r0=0.1 mv=0.015 m/sR=12 ΩB0=0.75 Tt=5 s

Q: As shown, a circular conducting loop (with 4 turns and of resistance R= 8.8 0) is placed in a…

A: Given: Number of turns in the coil, N=4 Resistance of the material of the loop, Magnetic field,…

Q: As shown, the rolling axle, 1.50 m long, is pushed along horizontal rails at a constant speed υ =…

A: Hey, since there is multiple subpart question posted, we will answer first three questions. If you…

Q: A 40 turn conductive loop encloses an area of 0.55 m?. At what constant rate should the magnetic…

A:

Q: There is a uniform magnetic field of B frictionlessly on other wires in the horizontal direction, is…

A:

Q: A magnetic field of 0.200 T exists within a solenoid of 340 turns and a diameter of 10.0 cm. Within…

A:

Q: Find the magnitude and direction of the induced emf around the rectangular loop of sides a and b as…

A:

Q: the spiral shown below is immersed in a magnetic field of B = (0.02*t) ax Wb/m² (that means the…

A:

Q: You are given a straight piece of conductor that is 5.0 cm long and moves in a region of uniform…

A:

Q: Consider a square loop with side length 1m moving at a rate 0.1 m/s in the +x-direction into a…

A: side length of square loop (L) = 1 m velocity (v) = 0.1 m/s magnetic field (B) = 1 T t = 5 sec

Q: For a current-carrying loop attached to a fixed axis in a uniform magnetic field, what is the phase…

A: Required : What is the angular difference between when the flux is maximum and when the torque is…

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.