22) A square, single-turn coil 0.250 m on a side is placed with its plane perpendicular to a constant magnetic field. An emf of 0.0190 V is induced in the coil winding when the area of the coil decreases at the rate of 0.140 m² / s. What is the magnitude of the magnetic field?

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A: The power dissipated in the resistor, is due to the magnetic field, P=64 W. Due to the magnetic…

Q: 1. How much force is felt on a proton (mp 1.67 x 10-27 kg; e = 1.60 x 10-¹9 C) which enters a 5 T…

A: Mass of proton = 1.67×10-27  kg Charge of proton q= 1.6×10-19 C  Magnetic field B = 5 T Velocity v =…

Q: A wire loop is being pulled through a uniform magnetic field toward the left. A magnetic field…

A: In this question the relevant concepts are  Lenz law of electromagnetic induction This law states…

Q: Q1) Find the magnetic field intensity at point (0,0,0) for each of the following fiures: 1) As in…

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Q: * beam of elections travelling at 10.2x107m/s is bent into & circle of radius 6x10²2m by a magnetic…

A: To find-Ratio of em=?Provided data is as given-v=10.2×107 m/sr=6×10-2 mB=10-2 wb/m2

Q: 4. Three copper frames are dragged through an external magnetic field in the direction s shown. The…

A: Lenz's law staes that the induced electromotive force with different polarities induces a current…

Q: Q18: A circular loop of area 10 cm darrying 8 A is placed in a uniform magnetic field parallel to…

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Q: 6) An infinitely long straight wire of radius a carries a steady current I that is uniformly…

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Q: In an MRI machine, a large magnetic field is generated by the cylindrical solenoid surrounding the…

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Q: 5 A flat, square surface with a side of 40 cm lies in the xy plane (z-0). Find the magnetic flux…

A: Side of square surface is a = 40×10-² m  Area of the square surface is A = a²  => A = (40×10-²)²…

Q: 2) A circular loop of radius 65cm rotates within a uniform 0.34T magnetic field. loop's normal…

A: Given Data:Radius of the loop, r = 65cm = 0.65m, so the area of the loop, A = πr² =…

Q: 5) An insulating disk of radius R = 30cm has a total charge Q Q is not evenly distributed over the…

A: When a wire carrying current forms a small closed-loop, then it is called a magnetic dipole. A…

Q: A rectangular coil with dimensions 0.18 m by 0.25 m has 560 turns of wire. It is rotated about its…

A: Solution     Given dataArea of coil A=0.18×0.25=0.045m2Number of turns N=560Magnetic field…

Q: The metal rod 1 m long rotates about its one end in a plane at right angles to a horizontal magnetic…

A: To find-Induced emf (e)=?Given-Length of the rod (l)=1 mfrequency (n)=100 rpsMagnetic induction…

Q: 2. A rectangular loop (a = 0.15 m, b = 0.46 m) is pulled from a space where there is a uniform…

A: Givena = 0.15 m b = 0.46 mSpeed of loop = v = 4.20 m/s Resistance of the loop = 60 ohmStrength of…

Q: A 10-turn square coil of area 0.036 m² and a 20-turn circular coil are both placed perpendicular to…

A: Turn, N1 = 10Turn, N2 = 20Area of square coil, A1 = 0.036 m²Area of circular coil, A2 = ?

Q: 7) A conducting rod is pulled to the right along parallel metal rails that are 25 cm apart at…

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Q: 2. A solid conducting disk on a shaft is rotated in an external uniform magnetic field directed…

A: Answer = 32.4 revolutions per second Solution +++++++++++++++++++ We know that emf induced due to…

Q: 4. A uniform magnetic field with B = 3i - 4k [T] passes through a flat circular sheet with area A =…

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Q: circular antenna of radius 98 cmis installed at a location where the plane of the antenna is…

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Q: 3. In 1996, NASA performed an experiment called the Tethered Satellite experiment. In this…

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Q: 1. Find out the following for each case depending on the movement of the magnet towards the coil. a)…

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Q: Which of the following changes would increase the magnetic field strength at the center of the…

A: Magnetic field at the centre of solenoid is given by  B = uo nI     --(1) where n = number of turns…

Q: The magnitude of the applied magnetic field in an MRI machine is 2.20 T at the patient's head. The…

A: Given data- dBdh=0.05 T/mat the head, B=2.20 TLarmor frequency is given by,f=e4πmBwhere,B=magnetic…

Q: 3. A current density of J= ar, where a is a constant, flows through a cylinder of radius R along the…

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Q: 2. A length of 20-gauge copper wire (of diameter 0.8118 mm) is formed into a circular loop with a…

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Q: 4. A squre coil of wire with 800 turns and size a = 10.0 cm on each side, is held next to a long…

A: Note-Since we only answer up to 3 sub-parts, we will answer the first 3. Please resubmit the…

Q: The figure below shows a cube with side length d= 13.0 cm with one of its corners at the origin. The…

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Q: A loop of wire is in the x-y plane centered at the origin. A uniform magnetic field is decreasing at…

A: The answer is below

Q: 2. A wire with length of 3.0 cm carries a 2.0 A in the vertical direction. The rest of the wire is…

A: Magnetic field due to a straight wire carrying current is given by: where,

Q: 3) Magnetic tape is running at 2 m/s past a closed loop of total area 0.001 m?. The magnetic field…

A: Given that, B=0.03Tx2 Speed of the tape is v = 2 m/s Loop area, A = 0.001 m2 Induced e.m.f, ε=dϕdt…

Q: etangular 50-winding current coil with dimensions of Sem and 10cm falls from a state of B-0 to a…

A: Induced emf = rate of change of magnetic flux

Q: 5. How can we say that the magnetic flux is zero when the magnetic field is not zero? given oc

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Q: ) In the corresponding figure, a coil moves at a constant speed towards a regular (106 magnetic…

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Q: Problem 8- Electromagnetic induction The circuit is in a uniform magnetic field that points into the…

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Q: If the magnetic field faces into the wall while its magnitude is increasing, what would be the…

A: Given, The varying magnetic field

Q: 36. How many turns must be wound on a flat, circular coil of radius 20 cm in order to produc a…

A: Current in coil  i= 0.85 A Magnetic field at center of coil B= 4.0*10-5 T radius of coil r= 20 cm=…

Q: A flexible loop has a radius of 24.7 cm and it is in a magnetic field of B = 0.157 T. The loop is…

A: Ainitial=πR2=π(0.247m)2=0.1917 m2Afinal=0 m2∆t=0.189 sB=0.157 T

Q: ) B-field Curve. A circular ring of radius r = 0.10 m and resistance Ro = 2.02 sits in a uniform…

A: GIVEN : Radius r= 0.10 m, Resistance R0 =2.0 Ω

Q: 9. A rectangular coil consists of N=10 closely wrapped turns and has dimensions a = 0.400 m and…

A: