What is the average induced current in the loop if the radius of the loop is steadily increased from 5 cm to 15 cm over 0.11 s? Also what direction does the current flow through the resistor? Assume that the magnetic field has a magnitude of 0.83 T.

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 long thin solenoid has 779 turns per meter and radius 2.00cm. The current in the solenoid is…

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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: What is the peak emf generated by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s…

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Q: Suppose the 50 turn coil in the figure below lies in the plane of the page and originally has an…

A: Given:no of turns, n = 50Initial area, Ai = 0.270 m2Final are, Af = 0 m2Time taken, t = 0.1…

Q: A coil with 8 turns has square loops measuring 0.2m on a side and a resistance of 3Ω. It is placed…

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

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Q: The homogeneous magnetic field is perpendicular to the plane of the conductor loop. The area of…

A: Given,

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 square wire loop 46 cm on a side, with resistance 49 m2, has its plane normal to a uniform…

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Q: A rectangular coil 0.055 m by 0.085 m is positioned so that its cross-sectional area is…

A: Given data: length of the coil l=0.05m  Breadth of the coil b =0.085m Number of turns N=75 turns…

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: What is the peak emf generated by rotating a 1070-turn, 16 cm diameter coil in the Earth’s 5·10−5 T…

A: Number of turns (N) = 1070 Diameter (d) of coil = 16 cm = 0.16 m Magnetic field (B) = 5×10-5 T Time…

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: A 0.65-T magnetic field is perpendicular to a circular loop of wirewith 73 turns and a radius of 18…

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Q: A circular coil of radius 2.5 cm has 27 turns of wire. It is placed in a magnetic field directed…

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Q: A coil of wire with 50 turns lies with the cross section of the coil in the plane of the page and…

A: Given data The number of turns in the coil is N = 50 turns. The initial area of the plane is A0 =…

Q: figure. The horizontal component of the Earth's magnetic field at the coil's location is equal to…

A: The solution can be given as :-

Q: A square wire loop 46 cm on a side, with resistance 49 m2, has its plane normal to a uniform…

A: Side of square wire loop L = 46 cm = 0.46 m Resistance of square wire loop R = 49 mΩ = 4.9×10-2 Ω…

Q: A square loop of side 2 meters is located on the xy plane. The loop has total resistance R= 8N.…

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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 100-turn, 5.0-cm-diameter coil is at rest with its axis vertical. A uniform magnetic field 60 ∘…

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Q: If the north pole moves toward the loop, in what direction is the induced current (as seen from…

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Q: A square conducting loop moves with a constant velocity v and passes through a uniform magnetic…

A: we have to use the Lens's law here.

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

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Q: The flexible loop in Figure has a radius of 20.6 cm and is in a magnetic field of magnitude 0.150 T.…

A: Given Time =t=0.2 sec Radius =r=0.206 m B=0.15 T Now wire us stretched to A,B so Area =0 ThusA2=0…

Q: A conducting circular loop with radius a is placed in a magnetic field of magnitude B = B0 exp (−αt)…

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Q: A circular loop of wire of radius 13.0 cm is placed in a magnetic field directed perpendicular to…

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Q: A circular conducting loop with radius 2.80 cm is placed in a uniform magnetic field of 0.650 T with…

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Q: A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat…

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Q: the coil's sides are 14.6 cm long, the external magnetic field strength is Bext = 0.783 T, the coil…

A: Sides, a = 14.6 cm = 14.6×10-2 = 0.146 m Magnetic field, Bext = B = 0.783 T Number of turns, n = 37…

Q: A wire loop is spinning on its axis in a uniform magnetic field. Is there an emf induced in the…

A: (C) yes but only if the angular velocity of loop is constant.

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

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

A: Given :  Length of rod = 20 cm = 0.20 m Magnetic field, B = 30 mT = 30 × 10-3 T Velocity of rod…

Q: An emf is induced by rotating a 1000 turn, 20.0 cm diameter coil in the Earth's 4.95 ✕ 10−5 T…

A: N = Number of turns ion the coil = 1000 d = diameter = 20 cm = 0.2 m r = radius = 0.2/2 = 1m Area of…

Q: A flat coil enclosing an area of 0.19 m2 is rotating at 55 rev/s, with its axis of rotation…

A: It is given that