A planar coil of wire is placed with its plane perpendicular to a uniform magnetic field of 1.6 T. An emf that has a magnitude of 0.8 V is induced in this coil because the coil’s area A is shrinking. What is the rate at which the area changes?

Q: 000 0000000000 OOOOO0.0 What is the length of the rod? m DO DO *o0||0000000000 A rod is moving from…

A: Solution: Given: A rod is sliding on the parallel rails. The system is placed in magnetic field. The…

Q: A conductor is formed into a flat loop that encloses an area of 1.0 m2 The plane of the loop is…

A: Given data: Area enclosed by conducting loop, A= 1.0 m2  Maximum induced emf, ε= 25.0 V The  loop…

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

A: Given: Initial Radius of loop (R) = 3.0 m. Final radius of loop (r) = 1.5 m. Changing time (dt) =…

Q: A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.060 T.…

A: radius =  4.0 cm magnetic field initial = 0.060 T. time = 0.50s magnetic field initial = -0.040T

Q: A long infinite wire carries a current of 3.0 amps close to a single loop of wire with a radius (r)…

A: Given- Current flowing in the wire , initially I1 = 3.0 A Radius of single wire loop , r = 0.03 cm…

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

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Q: The magnetic flux through a coil of wire containing two loops changes from -57.1 Wb to 17.7 Wb in…

A: Faraday's law of electromagnetic induction states that the magnitude of induced emf is equal to the…

Q: A rectangular loop (area =0.15 m2) turns in a uniform magnetic field,B = 0.20 T.When the angle…

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Q: A wire loop of radius 15 cm and resistance 7.8 Q is located in a uniform magnetic field that changes…

A: Given Data : The radius of the wire loop is given as r = 15cm. The resistance of the wire loop is…

Q: A coil with circular cross section and 24 turns is rotating at a rate of 430 rpm between the poles…

A: a)The required radius is,

Q: A circular coil of wire with 450 turns and a radius of 8.5 cm is placed horizontally on a table. A…

A: Given, N=450 turns R= 8.5 cm =8.5x10-2 m B(t) = 0.03 ×t 2. T/s2 uniform magnetic field pointing…

Q: A magnetic field is changing at a rate of 0.5 Tesla/s. If a coil having an area of 0.005 m2 with 50…

A: Given value--- rate of change in magnetic field = 0.5 T/s. area = 0.005 m2 . No. of loop = 50 . We…

Q: A flat, square, 75-turn coil of wire is rotated from having its plane perpendicular to an external,…

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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: 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 very long hollow cylindrical coil with a cross-sectional area of 70 cm2 and the number of turns…

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Q: In the figure, a conducting rod (shown with red outline) is pushed such that it moves at constant…

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Q: A circular coil of 20 turns and radius 5 cms is placed with its plane oriented at 90° to a magnetic…

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Q: A 15-turn circular loop of wire is placed into a magnetic field with initial magnitude 1.2 T. Over a…

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Q: An automobile with a radio antenna 1.0 m long generates an emf, V1, since it is traveling at 100.0…

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Q: A coil of wire contains three loops. If the magnetic flux through the coil changes from - 45 Wb to +…

A: Given, no. of loops=3 Initial flux, ϕ1=-45Wb Final flux, ϕ2=+52Wb time, dt=0.36s

Q: A metal bar of length 25 cm is placed perpendicular to a uniform magnetic field of strength 3 T. (a)…

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Q: What is the EMF induced when the magnetic field changes from 2.3 T to 0.5 T in 10 seconds with a 2 m…

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Q: A circular loop of wire of radius 0.25 m is exposed to an external magnetic field that is…

A: dB/dt = - 0.025 T/s  Radius of the loop is r = 0.25 m

Q: A conductor is formed into a loop that encloses an area of 1.0 m2. The loop is oriented at a 30.0°…

A: According to Faraday's Law, EMF induced by a varying magnetic flux is given by, E = -dφdt  Now, the…

Q: A single loop of area 200 cm2 is positioned perpendicular to a uniform magnetic field. Without…

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Q: A square loop of wire with a side length of 1.35 [m] is in a uniform magnetic field that has an…

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Q: A coil of wire with 50 turns lies in the plane of the page and has an initial area of 0.310 m2. The…

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Q: A wire loop with an area of 1.4×10−2 m2 is in a magnetic field of 0.36 T directed at a angle 30 to…

A: given: A = 1.4*10-2 m2 B = 0.36 T angle θ = 300 ∆t = 36 ms = 36*10-3 s

Q: A conducting rod is moving through a magnetic field, as in the drawing. The magnetic field strength…

A: SOlution: given that Magnetic field strength (B) = 0.65 T  Speed (v) = 2.7 m/s sudden change into,…

Q: A rectangular loop (area = 1.4 m²) turns in a uniform magnetic field, B = 1.3 T. When the angle…

A: Given Data:- Area of the loop is A=1.4 m2 Magnetic field is B=1.3 T Angle between the magnetic field…

Q: X X X a b V B

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Q: A coil formed by wrapping 50 turns of wire in the shape of a square is positioned in a magnetic…

A: The induced emf in the square coil can be represented as, Here, φ and N represent the magnetic flux…

Q: what will be the magnitude of the induced emf in the loops of wire?

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Q: A coil of wire is made of 520 turns and has an area of 0.30 m². It is placed in a uniform magnetic…

A: Given: The number of turns is 520. The area of the coil is 0.3 m2. The strength of the magnetic…

Q: A technician wearing a circular metal band on his wrist moves his hand into a uniform magnetic field…

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Q: When a magnetic field is first turned on, the flux through a 20-turn loop varies with time according…

A: a. the induced emf can be expressed as, ε=-Ndϕdt=-Nddt5t2-2t=202-10t=40-200tmV

Q: A flat coil of wire consisting of 15 turns, each with an area of 53 cm², is positioned…

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Q: In the figure, the magnetic flux through the loop increases according to the relation OB = 5.8t2 +…

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