A flexible loop of conducting wire has a radius of 0.12 m and is perpendicular to a uniform magnetic field with a strength of 0.15 T,as in figure (a) below.The loop is grasped at opposite ends and stretched until it closes to an area of (3)(10^-3)(m^2), as in figure (b) below. If it takes 0.20s to close the loop, find the magnitude of the average emf induced in the loop during this time.

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: The point form of Ampere's law tells us that: currents produce steady magnetic fields; the magnetic…

A: Ampere’s circuital law states that line integral of magnetic field forming a closed loop around the…

Q: Assume that the resistance = 3.9 ohms, the width of the rails is 2.2 m, the magnetic field magnitude…

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Q: A 21.7 turn conductive loop encloses an area of 0.44m2. At what constant rate should the magnetic…

A: we know that emf e=NadB/dt

Q: A coil consisting of 800 turns, very closely spaced, has an inductance of 4mh and a current of…

A:

Q: (a) A car generator turns at 400 rpm when the engine is idling. Its 300-turn, 5.00 by 8.00 cm…

A: (a) Angular frequency, f = 400 rpm =6.67 rps  number of turns, N = 300  Area, A = 0.05 x 0.08 m2…

Q: coil of area 200 mm^2 and containing 80 turns of wire of negligible resistance lies with its plane…

A: Given: The area of the coil is 200 mm2.            The number of turns is 80.            The…

Q: The conducting bar in the figure below is 0.1 m long and moves to the right with a speed of 10 m/s…

A: Length (L) = 0.1 m speed (v) = 10 msMagnetic field strength (B) = 1.5 T

Q: A variable magnetic field is perpendicular to a 195-turn coil of area 0.305 m?. The magnetic field…

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Q: A wire loop of radius 17 cm and resistance 112 is located in a uniform magnetic field that changes…

A: Given: Radius of loop of wire, r=17 cm=0.17 m Resistance of the wire, R=11 Ω Solution: Consider the…

Q: A 16 turn conductive loop with an enclosed are of 0.55 m^2 exists in the plane of the page. A…

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Q: A square circuit with sides of length ℓ = 0.30 m and R = 10 ? moves with a constant velocity v = 3.0…

A: When a closed circuit brings in a magnetic field or is close to the magnet so that the magnetic…

Q: How to determine the magnitude of the time changing magnetic flux thru the loop, if the EMF is…

A: It is given that

Q: circular loop of radius 5.1 cm is formed, placed with its plane perpendicular to a uniform magnetic…

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Q: As shown in the figure, the wire is of uniform thickness, the current passing through is 5A, the…

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Q: A 48 turn conductive loop encloses an area of 71 m 2 At what constant rate should the magnetic field…

A: Given, Number of turns N = 48  Area A = 71m2 emf ε=3.58 Volts   We know the expression for induced…

Q: For a toroidal solenoid, suppose the number of turns is 291, the area is 4.89 cm 2, and the radius…

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Q: Magnetic field strength in space as shown in the figure below.Find the emf induced in a square…

A: Given a magnetic field strength is :- H→=a→x900 sin106t-x+a→y900 sin107t-z+a→z500 cos6×107t-y

Q: A 20.9 turn conductive loop encloses an area of 0.57 m2. At what constant rate should the magnetic…

A: Given:-             A 20.9 turn conductive loop encloses an area = 0.57 m2.…

Q: (a) A nonferrous screwdriver is being used in a 2.00 T magnetic field. What maximum emf can be…

A: Given: magnetic field, B = 2 T  length, L = 12 cm = 0.12 m  velocity,v = 6 m/s

Q: The circular loop with a radius of 12cm seen in the figure is in a uniform magnetic field of 0.15T…

A: The circular loop initially has a radius of 12 cm, thus a diameter of 24 cm and is kept in a 0.15 T…

Q: An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…

A:

Q: A metal rod 0.95 m long moves with a speed of 2.4 m>s perpendicular to a magnetic field. If the…

A: The expression for find strength of magnetic field is ε=BlvB=εlv

Q: A circutar.coll (900 turns, radius - 0.145 m) is rotating in a uniform magnetic field. At fieid. At…

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Q: If the magnetic field is held constant at 3.0T and the loop is pulled out of the region that…

A: Given: The magnetic field is 3.0 T. The time taken is 0.2 s.

Q: )An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…

A: Magnetic field strength 4.40 TDiameter of the ring 2.20 cmTime taken to move into the field: 0.35 s

Q: A wire of resistance 0.50 ohms forms a loop of area 7.85*10^5 m^2, andthen is placed in a uniform…

A:

Q: An MRI technician moves her hand from a region of very low magnetic field strength (B=0) into an MRI…

A: Given data- magnetic field B=1.55 T diameter D=2.55 cm so radius r=1.275 cm =1.275*10-2 m time…

Q: A 230-turn coil lies in the plane of the page in a uniform magnetic field of strength 4.80 T. The…

A: Given that,Number of turns : N = 230 turns Magnetic field : B = 4.80 T              Area : A = 0.125…

Q: For a toroidal solenoid with the average circumference L =10 cm and 200 coils, the current is 100…

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Q: A 10 , 15 22 and 5 2 resistor are connected in a series circuit with a 90 V battery. What is the…

A: Given:-  R1= 10Ω  , R2= 15 Ω and R3= 5Ω Resistance is connected in the series with the 90 V  battery…

Q: Given that the time rate of change of magnetic flux through a coil is -5E-2 and the total emf…

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Q: where Bo and ) are constants. If the loop has resistance R, show that there is a current in the loop…

A: According to The Faraday's law of induction, the change in flux over time is direcly propotional to…

Q: 5. For the square wire arrangement in Fig 3. a =12.0 cm and b =16.0 cm. The currents in the long…

A: Then magnetic flux passe through the element is Therefore flux through whole square loop will be…

Q: The flexible loop in Figure has a radius of 52.6 cm and is in a magnetic field of magnitude 0.150 T.…

A: Given  Radius =r = 52.6 cm  Magnetic field=B= 0.150 T  Time = t = 0.2 sec  So A1 = πr² = 0.8687 m²…

Q: A long fund rival solenoid with 100 turns per cm has a radius of 1.6 cm. Assume the magnetic field…

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Q: A 0.230 m radius, 480 turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having…

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Q: A solenoid (made as a long coil) is a type of electromagnet, the purpose of which is to generate a…

A: SOlution: Given that n = 100 L = 5 cm = 0.05m A = 0.3 cm2 = 0.3x10-4 m2