A 290-turn coil lies in the plane of the page in a uniform magnetic field of strength 7.80 T. The coil initially has an area of 0.125 m² and is stretched to have no area in 0.25 s. Find the magnitude (in V) of the average induced emf?
Q: A 1.75 m length of wire is held in an east–west direction and moves horizontally to the north with a…
A: Answer: 1.403 milli volt Explanation: Given that, Length of a wire, l = 1.75 m (east-west direction…
Q: A 200‑turn circular coil of radius 5.00 cm with negligible resistance is immersed in a uniform…
A: Given,Number of turns The radius of the coil The resistance of the resistor The time interval…
Q: Suppose a 50 turn coil lies in the plane of the page in a uniform magnetic field that is directed…
A: From faradays law of electromagnetic Induction we know that Emf induceed in the closed loop is…
Q: Suppose a 50-turn coil lies in the plane of the page in a uniform magnetic field that is directed…
A: Given: Turns in coil N = 50 Cross sectional area of coil A = 0.25 m2. dAdt=0.250.1dAdt=2.5 m2/s…
Q: Suppose a 46 turn coil lies in the plane of the page in a uniform magnetic field that is directed…
A:
Q: Suppose a 50 turn coil lies in the plane of the page in a uniform magnetic field that is directed…
A: Given :-N = 50 turnB = 1.5 TA = 0.175 m2∆t = 0.275 s
Q: Suppose a 52-turn coil lines in the plane of the page in a uniform magnetic field that is directed…
A: According to Faraday's law of electromagnetic induction, when magnetic flux linked with coil changes…
Q: If a coil of wire in a magnetic field rotates 60 degrees, it provides an emf averaging 3.0 V. If the…
A:
Q: The figure below displays a circular loop of metal wire in a uniform magnetic field pointing into…
A: We know, Magnetic flux Φ=BA as magnetic field B is constant so change in magnetic flux…
Q: A coil of 50 loops is pulled in 0.02 s from between the poles of a magnet, where its area intercepts…
A: In given question, magnetic flux associated is changing with time. So as per Faraday's law of…
Q: 290-turn coil lies in the plane of the page in a uniform magnetic field of strength 7.80 T. The coil…
A:
Q: 10 turn conductive loop with an enclosed area of 0.45 m2 exists in the plane of the page. A magnetic…
A: From Faraday's law Induced EMF is equal to the rate of change of magnetic flux, emf =…
Q: A solenoid of length 30 cm and radius 1.4 cm with 350 turns is in an external magnetic field of 800…
A: According to question we need to find magnetic flux and induced emf ?
Q: A coil of wire consists of 65.0 turns and has an area of 7.9 m2. The magnetic field through the…
A: The given values are, N=65.0A=7.9 m2∆B=12.9 T-4.2 T=8.7 T∆t=0.15 s
Q: For a conducting rod of U-shaped metal wire of length, I = 30m is connected to a lightbulb having a…
A:
Q: A loop of wire with a diameter of d=0.71 m lies in a plane perpendicular to a magnetic field with…
A:
Q: A circular loop of wire of radius 12.0 cm is placed in a magnetic field directed perpendicular to…
A:
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…
A:
Q: An aeroplane is flying due North at a speed of 227 m/s. The distance between the tips of the two…
A:
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…
A:
Q: A circular loop whose radius is changing over time as 1.4sin(47.3t) +0.3 meters is placed in a…
A:
Q: The magnetic flux through a coil of wire changes from 9T m- to zero in a time of 0.50 s. What is the…
A: 18 V
Q: A 12 turn conductive loop with an enclosed area of 0.62m2 exists in the plane of the page. A…
A: The Faraday's law of induction states that an emf is induced in a coil when the magnetic flux…
Q: A circular coil of radius 2.5 cm has 27 turns of wire. It is placed in a magnetic field directed…
A:
Q: Consider a rectangular loop of wire 6.9 cm by 9.0 cm in a uniform magnetic field of magnitude 1.1 T.…
A:
Q: The figure below displays a circular loop of metal wire in a uniform magnetic field pointing into…
A: Given: Radius of the circular loop = 13 cm = 13×10-2 m Magnetic field of the loop = 0.160 T Time…
Q: A certain elastic conducting material is stretched into a circular loop of 5.7 cm radius. It is…
A:
Q: The figure below displays a circular loop of aluminum wire in a uniform magnetic field pointing into…
A: Calculate the area of the loop. A=πr2A=π(11.0 cm×1 m100 cm)2A=0.038 m2
Q: A 230-turn coil lies in the plane of the page in a uniform magnetic field of strength 4.80 T. The…
A:
Q: A coil consists of 25 loops of wire and has a diameter of 10 cm. Its resistance is 0.1Ω. At t=0 it…
A:
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 circular coil of wire consisting of 200 turns, each with a radius 50 cm, is positioned…
A: Given data: The number of turns is N = 200 The radius is r = 0.5 m The change in magnetic field is…
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 flexible circular loop 6.40 cm in diameter lies in a magnetic field with a magnitude of 1.28 T,…
A: Magnetic field B = 1.28 T Circular loop diameter D = 6.40 cm = 0.064 m Final area of the loop Af = 0…
Q: A circular wire coil with 25 turns and radius 1.02 cm is placed in a uniform magnetic field of…
A:
Q: A circular coil (830 turns, radius = 0.048 m) is rotating in a uniform magnetic field. At t = 0s,…
A: Given : Number of turns in the coil, N = 830 Radius of the coil, r=0.048 m Time taken to rotate the…
Step by step
Solved in 2 steps
- A loop of area 225 cm2 has 24 turns of wire. It is in a magnetic field of strength 3.6 x 10-2 T. To begin with, its plane (face) is parallel to the magnetic field lines. In a time of 0.15 s it is rotated so that its plane is perpendicular to the magnetic field lines. What is the average emf induced in the loop during the one-quarter rotation?Suppose a 50 turn coil lies in the plane of the page in a uniform magnetic field that is directed into the page. The coil originally has an area of 0.25 m2 . It is squished to have no area in 0.125 s. What is the magnitude of the average induced emf in volts if the uniform magnetic field has a strength of 1.5 T?A circular coil (670 turns, radius = 0.079 m) is rotating in a uniform magnetic field. At t = 0 s, the normal to the coil is perpendicular to the magnetic field. At t = 0.020 s, the normal makes an angle of 45 degrees with the field because the coil has made one-eighth of a revolution. An average emf of magnitude 0.052 V is induced in the coil. Find the magnitude of the magnetic field at the location of the coil.
- A circular conducting loop with radius 2.80 cm is placed in a uniform magnetic field of 0.650 T with the plane of the coil perpendicular to the magnetic field as shown. Axis The magnetic field decreases to 0.190 T in a time interval of 28.0 ms. What is the average induced emf in the loop during this interval?A 185‑turn circular coil of radius 3.79 cm and negligible resistance is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. The coil is connected to a 14.5 Ω resistor to create a closed circuit. During a time interval of 0.147 s, the magnetic field strength decreases uniformly from 0.537 T to zero. Find the energy ? in millijoules that is dissipated in the resistor during this time interval.An emf is induced by rotating a 1.20×10^3 turn, 23.0 cm diameter coil in the Earth’s 5.00×10^-5 T magnetic field. What average emf is induced, given the plane of the coil is originally perpendicular to the Earth’s field and is rotated to be parallel to the field in 12.0ms?
- A generator has a N = 220-turn coil with a radius of 5.03 cm. It rotates with a frequency of f = 27 times per second in a B = 1.33 T magnetic field. What is the maximum emf induced in the coil?The figure below displays a circular loop of metal wire in a uniform magnetic field pointing into the page. The radius of the loop is 15.0 cm and the magnitude of the field is 0.120 T. You grab points A and B and pull them in opposite directions, stretching the loop until its area is nearly zero, taking a time of 0.210 s to do so. What is the magnitude of the average induced emf in the loop (in mV) during this time?A circular wire coil with 12 turns and radius 3.92 cm is placed in a uniform magnetic field of strength 6.07 T, directed perpendicular to the plane of the wire loops. Over a period of 2.36 s, the magnetic field fades away to zero. What is the average induced emf (voltage) in the coil over this period of time?