) Derive an expression for the induced emf developed when a coil of N turns, and area of cross-section A, is rotated at constant angular speed o in a uniform magnetic field B.
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 circular coil of 100 turns and diameter 24 cm is rotated continuously in a uniform magnetic field…
A: We need to compute- Maximum emf induced in the coil (e0)=? Instantaneous induced emf (e)=? The data…
Q: MY NOTES ASK YOUR TEAC A 30-turn coil has a diameter of 19 cm. Find the magnitude of the emf induced…
A: (a) The cross-sectional area of the coil is, A=πd24=π19×10-2 m24=0.02835 m2 the flux change is,…
Q: determine the magnitude of the induced emf in the circular coil given that it has a diameter of…
A: Given: Number of turn, N=500 Diameter of circular coil, d=10.35 cm radius r=d/2 = 5.175 cm Angle…
Q: An armature coil consists of 20 turns of wire, each of area, A=0.09 m and total 150 resistance 15 O…
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Q: A square conducting loop is in a region of uniform, constant magnetic field. Can the loop be rotated…
A: Can the loop be rotated about an axis along one side and no emf be induced in the loop?
Q: A square coil of side 4 cm and 200 windings lies perpendicular to a magnetic field of 4.0 T. The…
A: SOlution: Given that N = 200 side a = 4 cm = 0.04 m area A = axa = 1.6x10-3 m2 B = 4 T
Q: Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = constant t= 1 s. A conducting rod…
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Q: A uniform magnetic field of magnitude 0.50 T is parallel to the x-axis. A square coil of side 10.0…
A: Given, Magnetic field B = 0.50 T Side of square coil a = 10 cm = 10 x 10-2 m Angle θ= 60∘ Resistance…
Q: A 0.240 m radius, 500 turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having…
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Q: A rectangular loop of length L and width W is placed in a uniform magnetic field B with its plane…
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Q: A 131-turn circular coil of radius 2.97 cm and negligible resistance is immersed in 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: circular coil with a diameter of 13 cm is made up of thin wire wound into 450 turns. It is placed in…
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Q: A coil of wire with 10 turns and a radius of 1.5 cm is oriented with the plane of the coil…
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Q: A rectangular coil 0.055m by 0.085m is positioned so that its cross-sectional area is perpendicular…
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Q: A coil with 50 turns and area 10cm² is oriented with its plane perpendicular to a 0.75-T magnetic…
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Q: A rectangular loop of length L and width W is placed in a uniform magnetic field B with its plane…
A: We will first write an expression for induced emf. Then we apply this expression to the given…
Q: b) An air cored long solenoid of length 8.0 cm and diameter of 10.0 cm is made of 35.0 turns. A…
A: Given data: The length of the solenoid is, L= 8 cm= 0.08 m The diameter of the solenoid is, d= 10…
Q: A uniform magnetic field is directed at an angle of 30° with the plane of a circular coil of radius…
A: Given: Circular coil radii, r=282=14 cm=0.14 m No. of turns, n=100×28=2800 Angle b/w B-field &…
Q: The magnetic flux associated with a coil changes from zero to 6 x 102 Wb in 0.6 sec. Find the…
A: To find-Average induced emf (e)=?Given-ϕ1=0ϕ2=6×10-2 Wbt=0.6 sec
Q: A 6 pole generator with wave wound armature has 50 slots each having 28 conductors. The flux per…
A: Given, Pole,P=6
Q: What direction of the magnetic field causes a counterclockwise direction of induced emf on the…
A: According to Lenz law, The direction of the induced emf that drives current around a wire loop is…
Q: A perfect conductor 2m long is moved at a speed of 36km/h through a magnetic field having a flux…
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Q: The magnetic flux through each turn of a 210-turn coil is given by B = 9.25 x 10-³ sin(at), where is…
A: Given: The number of turns is 210. The magnetic flux is. ϕB=9.25×10-3sinωt…
Q: A circular metal ring of radius a and resistance R is in a uniform magnetic field that is in a…
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Q: A coil is constructed from 6.4 m wire wound into circles with a radius of 3.2cm. Find the maximum…
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Q: 1) A circular loop of radius 4.1 cm is positioned in a uniform magnetic field of magnitude 6500 G so…
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Q: The currents in the figure is expressed with the function 1(t) = lge=10t, Find the direction of the…
A: Given Function I (t) = I0 e-10t
Q: For a non-deformable loop of area A, immersed in a uniform magnetic field B. The induced fem is…
A: For a non -deformable loop of area A, immersed in a uniform magnetic field B. where B is the…
Q: coil of 1000 turns encloses an area of 0.024 m2, and it is rotated in 0.01 s from a position the…
A: According to Faraday's Second law Induced emf is the rate of change of magnetic flux.
Q: Find the emf voltage generated at the terminals of a 25 turns square coil of area 0.4m centered at…
A: given, number of turns N=25area of square coil =0.4m2side of square coil=0.2mB=30cos6xcos(2π103t)az
Q: Find the magnitude and direction of the induced emf around the rectangular loop of sides a and b as…
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Q: Calculate the induced emf if the overall change of magnetic flux in a coil with 17 turns is 4.5 x…
A: When the magnetic flux changes with time, then it causes to induce an emf in a loop. Given(s):…
Q: Calculate the value for the change in magnetic field inside the solenoid, the changing flux in the…
A: Given , N=1000 Length=l=40cm=0.4m radius=r=diameter/2=20/2=10cm=0.10m…
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