A flat coil enclosing an area of 0.10 m2 is rotating at 60 rev/s,with its axis of rotation perpendicular to a 0.20-T magneticfield. (a) If there are 1 000 turns on the coil, what is the maximumvoltage induced in the coil? (b) When the maximuminduced voltage occurs, what is the orientation of the coil withrespect to the magnetic field?

Q: The wingspan (tip to tip) of an air plane is 42 m. The plane is flying horizontally at a speed of…

A: An emf is induced by motion relative to a magnetic field is called a motional emf E = v B L sinθ…

Q: A conducting disc of radius 10 cm is rotating perpendicular to magnetic field at an angular…

A: Given: The radius of the disc is 10 cm. The angular speed of the disk is 40 rad/s. The induced emf…

Q: There is a circular conducting loop with diameter = 8 cm that has 400 turns that is placed in a…

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Q: A coil of 160 turns and area 0.20m2 is placed with its axis parallel to a magnetic fieldof initial…

A: Given  The number of turns is N = 160 turn. The area of the coil is A = 0.20 m2. The magnitude of…

Q: What maximum value of flux can pass through the square loop of wire 10 cm on a side and is in a 1.25…

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Q: An electric generator coil of 200 turns and an area of 400 cm? revolves around it with a diameter of…

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Q: A 0.038-T magnetic field is directed horizontally. A 1.8-m straight wire moves in a direction 55°…

A: Given Magnetic field is B= 0.038 T Length of the wire is L= 1.8 m Induced emf is ε=0.21 V Angle…

Q: As per Faraday's law of electromagnetic induction, an emf is induced in a conductor whenever: A.…

A: Given:-As per Faraday's law of electromagnetic induction, an emf is induced in a conductor

Q: A rectangular coil with sides 0.140 m by 0.210 m has 513 turns of wire. It is rotated about its long…

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Q: A coil of 10.0 turns is in the shape of an ellipse havinga major axis of 10.0 cm and a minor axis of…

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Q: The coil in a loudspeaker has 50 turns and aradius of 3.8 cm. The magnetic field is perpendicular to…

A: Expression of the total force on the coil -  F=nBiL Where,  L=2πr    (For coil)  Therefore,…

Q: A metal loop has an area of 0.100 m2 and is placed flat on the ground. There is a uniform magnetic…

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Q: A certain elastic conducting material is stretched into a circular loop of 12 cm radius. It is…

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Q: An emf is induced by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s 5.00×10−5 T magnetic…

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: Check Your Understanding A closely wound coil has a radius of 4.0 cm, 50 turns, and a total…

A: The heat produced by the current in the coil can be represented by Joule’s equation of electrical…

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

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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…

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Q: Calculate the induced electric field (in V/m) in a 42-turn coil with a diameter of 19 cm that is…

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Q: A square, single turn coil of length 0.02-m is placed with its plane perpendicular to a constant…

A: length (l) = 0.02 m emf induced (E) = 18 mV = 0.018 Vrate of decrease of magnetic field = dAdt = 0.1…

Q: A car is travelling at 90 km/h in a region where the horizontal component of the earth’s magnetic…

A: Given: Speed, v=90 km/h Magnitude of earth magnetic field, B=2.0×10-5 T Length of  antenna, L=1.0 m…

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

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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 fan blade of length 50 cm rotates perpendicular to a magnetic field of 0.025 mT. If the emf…

A: We have a blade of length d=50 cm=0.5 m which is rotating perpendicular to a magnetic field B=0.025…

Q: A 12-turn coil 10 cm in diameter has its axis parallel to a magnetic field of 0.5 T which is…

A:

Q: A 500-turn coil of area 0.00200 m^2 is rotated in a 2.00 T magnetic field. At what frequency, f,…

A: When coil rotated in a magnetic field, Flux linked with the coil at time 't' ; a) ϕ=NBA cosωt…

Q: The figure shows three situations in which identical circular conducting loops are in uniform…

A: Given data: A figure showing three situations in which uniform magnetic fields that are either…

Q: A coil formed by wrapping 80 turns of wire in the shape of asquare is positioned in a magnetic field…

A: Given,

Q: The armature of a small generator consists of a flat, square coil with 120turns and sides with…

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Q: A very long hollow cylindrical coil with a cross-sectional area of 70 cm? and the number of turns…

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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: Assuming the Earth's magnetic field averages about 0.50×10−4 T near Earth's surface, estimate the…

A: Consider the magnetic field of Earth is denoted by B, Earth’s radius is denoted by R and R’ is the…

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

A: Given data: Initial magnetic field strength (Bi) = 0 T Final magnitude field strength (Bf) = 1.60 T…

Q: A bar slides on two frictionless rails in the plane of the page. The resistor is 6.00 Ω, and a 2.50…

A: Given information: Here, R is the resistance, B is the outward magnetic field, l and v are the…

Q: An aircraft, of wing span 38.7 m, flies horizontally at a speed of 900 km/h. If the angle of dip of…

A:

Q: Is the maximum magnetic field strength doubled when exciting two coils at the same time? If not,…

A: Is the maximum magnetic field strength doubled when exciting two coils at the same time.

Q: A rectangular loop of area A=0.160 m² is placed in a region where the magnetic field is…

A: Given:- Area of the loop A = 0.160 m2 The magnetic field B= 0.384e-t/2 Find:- The induced emf at t =…

Q: What will be the total magnetic flux through a coil of wire when the surrounding magnetic field is…

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Q: A coil having 166 turns and a radius of 1.2 cm carries a current of 1.55 A. (A) If it is placed in…

A: number of turns= 166 radius= 0.012 m Current= 1.55 A