A single strand of wire of adjustable length is wound around the circumference of a round balloon that has a diameter of 20.0 cm. A uniform magnetic field with a magnitude of 1.00 T is perpendicular to the plane of the loop. If the balloon is blown up such that its diameter and the diameter of the wire loop increase to 30.0 cm in 0.032s, what is the magnitude of the average value of the emf induced in the loop?

Q: A single circular loop of wire of radius 0.46m is positioned in a uniform magnetic field of 0.47T…

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Q: A square loop (length along one side = 12 cm) rotates in a constant magnetic field which has a…

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Q: A circular loop of wire with radius 3 m is flat on the xy plane in a magnetic field which is pointed…

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Q: A coil of wire containing 800 circular loops with cross section of 60 cm2 is placed between the…

A: Given that,  Number of turns, N=800 Cross-sectional area, A=60 cm2=60×10-4 m2 Angle, θ=30o Rate of…

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Q: single loop of steel wire, lying flat in a plane, has an area of 8.20 cm² and a resistance of 1.50…

A: Area of the loop ResistanceInitial magnetic FieldFinal magnetic fieldTime interval

Q: A loop of wire sits in an external magnetic field as shown (in other words, the field shown in the…

A: Let B1 and B2 denote the initial and the final magnetic field, ϕ1 and ϕ2 denote the initial and the…

Q: wire loop of area A = 0.574 m2 is placed perpendicular to a constant magnetic field of magnitude B =…

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Q: A loop of wire with a diameter of d=0.71 m lies in a plane perpendicular to a magnetic field with…

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Q: A circular loop of wire (area A = 0.20 m²) is placed in a uniform magnetic field that is…

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Q: A coil with a wire that is wound around a 2.0 m² hollow tube 35 times. A uniform magnetic field is…

A: Area, A=2.0 m2 Number of turns, N=35 Initial magnetic field, Bini=0.00 T Final magnetic field,…

Q: A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.061 T.…

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Q: A circular wire coil with 29 turns and radius 1.48 cm is placed in a uniform magnetic field of…

A: The number of turns in the coil is The radius of the coil is The initial magnetic field is The final…

Q: A circular wire coil with 30 turns and radius 1.07 cm is placed in a uniform magnetic field of…

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Q: The magnetic flux through a coil of wire Λ changes from 30T *m ^ 2 to zero in a time of 0.50 s. What…

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Q: A circular loop whose radius is changing over time as 1.4sin(47.3t) +0.3 meters is placed in a…

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Q: A single loop of steel wire, lying flat in a plane, has an area of 7.20 cm² and a resistance of 2.10…

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Q: A single loop of copper wire, lying flat in a plane, has an area of 7.20 cm? and a resistance of…

A: Area of copper wire A = 7.20 cm2 = 7.20 × 10- 4 m2 Resistance of copper wire R = 2.10 Ω Initial…

Q: A coil with 20 turns of wire is wrapped around a tube with a cross-sectional area of 1.0 m2. A…

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Q: The figure below displays a circular loop of aluminum wire in a uniform magnetic field pointing into…

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Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…

A: Given: The strength of the initial magnetic field is zero. The strength of the final magnetic field…

Q: A single loop of aluminum wire, lying flat in a plane, has an area of 8.20 cm² and a resistance of…

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Q: A square loop made of a metal wire is placed on the page. The length of both sides of the square…

A: Initial side length (s0): 4.0 cm = 0.04mFinal side length(sf): 3.0 cm = 0.03mChange in time (t): 25…

Q: A circular loop of wire has its radius shrink from 3 m to 1.5 m over 5 seconds. The area vector of…

A: The equation for the induced emf is given by,

Q: A square loop of wire is held in a uniform 0.24 T magnetic field directed perpendicular to the plane…

A: The equation for the induced emf is given by,

Q: initially

A: Given: Area of the steel wire = 7.00 cm2 Resistance = 2.40 ohm The magnitude of the field = 0.500 T…

Q: A coil consists of 200 turns of wire having a total resistance of 2.0 Ω. Each turn is a square of…

A: Given : n=200              R=2Ω             a=20×10-2m             Bi=0T             Bf=0.5T…

Q: A conducting coil of 2100 turns is connected to a galvanometer, and the total resistance of the…

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Q: A technician wearing a circular metal band on his wrist moves his hand (from a region where the…

A: Answer :-  Given  Magnitude of magnetic field (B) = 1.6 T  Angle ( theta ) = 450 Diameter of the…

Q: A single loop of steel wire, lying flat in a plane, has an area of 7.80 cm² and a resistance of 1.80…

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Q: The figure below displays a circular loop of nickel wire in a uniform magnetic field pointing into…

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Q: A copper bar 90 cm long is perpendicular to a field of 0.75 Wb/m2 and moves at right angles to the…

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Q: A coil of 15 loops of wire is laying on the table. It experiences an increasing magnetic field going…

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

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Q: A circular wire coil with 25 turns and radius 1.02 cm is placed in a uniform magnetic field of…

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Q: A physician is using a device, with a thin circular coil of current-carrying wire of radius 1.7 mm,…

A: Given Data : The radius of the circular coil is given as r=1.7mm×1m1000mm=1.7×10-3m The final…

Q: What is the induced current (in mA) in the loop of wire over this time?

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Q: A single loop of copper wire, lying flat in a plane, has an area of 7.40 cm2 and a resistance of…

A: Area of the loop A=7.40 cm2 ResistanceR=1.80 Ω Initial magnetic FieldBi=0.500 T Final magnetic…

Q: A 227-turn circular coil of radius 24 cm is perpendicular to a uniform magnetic field of 0.55 T.…

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Q: A single loop of copper wire, lying flat in a plane, has an area of 7.80 cm2 and a resistance of…

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Q: neurologist is using a device, with a thin circular coil of current-carrying wire of radius 2.0 mm,…

A: Given :-   R = 2 mm  = 2 * 10-3 m  dBdt = 1.10 * 10 2 T /sec

Q: A circular loop in the plane of the paper lies in a 0.60 T magnetic field pointing into the paper.…

A: Magnetic field = 0.6T Resistance of coil = 1.55Ω Initial diameter=20.5cm Final diameter=9cm Time…