Answered: A rectangular coil 25 cm by 45 cm has…

A rectangular coil 25 cm by 45 cm has 150 turns. This coil produces a maximum emf of 75 V when it rotates with an angularspeed of 190 rad>s in a magnetic field of strength B. Find thevalue of B

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 55P: Design a current loop that, when rotated in a uniform magnetic field of strength 0.10 T, will...

See similar textbooks

Related questions

Q: A coil with magnetic moment 1.50 A x m2 is oriented initially with its magnetic moment anti parellel…

A: Magnetic moment, µ = 1.5 A.m2Magnetic field, B = 0.805 TSince the magnetic moment is initially…

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 43-turn circular coil of wire has diameter 0.600 m. It is placed with its axis along the direction…

A: Given: Number of turns in the coil = 43 Diameter of the coil = 0.600 m The magnetic field of earth =…

Q: A magnetic B field of strength 0.9 T is perpendicular to a loop with an area of 4 m². If the area of…

A: Given data The magnitude of the magnetic field is B = 0.9 T The area of the loop initially is A1 = 4…

Q: A rectangular loop shown in Fig 4 (b) with width of 20 cm is in a static magnetic field B = 0.8x²2.…

Q: A circular coil with a diameter of 22.0 cmand 155 turns rotates about a vertical axis with an…

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

Q: A 100-turn square coil of side 20.0 cm rotates about a vertical axis at 5.3 x103 rad/min as…

A: An electric generator rotates a coil in a magnetic field, inducing an emf given by emf = ωNAB sinωt…

Q: Circular wire coils with a diameter of 0.64 m are made up of 30 turns. In 0.40 s, it is turned 180…

Q: A rectangular coil 0.061 n by 0.060 m is po- sitioned so that its cross-sectional area is per-…

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: * to obtain maximum induced e.m.f. in dypamo's coil, the plane of the co must be: a) Normal to the…

A: Question 4 The rate of change of magnetic flux that is linked with the coils are maximum when the…

Q: A magnetic field of magnitude 0.300 T is oriented perpendicularto the plane of a circular loop. (a)…

A: In the vibrations of the guitar string, longitudinal waves will form. Sound is a wave. Waves can…

Q: A maximum e.m.f of 110 volt is induced in a generator whose coil rotate with a Frequency of 50HZ .If…

Q: A circular coiVhas a radius of 10 cm and 50 turns are rotated about its vertical diameter in a…

A: i) at position 40° Emf = NBAW Cos40° 228.4 = 50×0.6×(π×0.12)×W×Cos40° 228.4 = 0.722W W = 316.34…

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…

Q: magnetic flux through each turn of the coil

Q: In a 240-turn automobile alternator, the magnetic flux in each turn is OR = 2.50 x 10** cos ot,…

Q: A square coil of wire of side 2.35 cm is placed in a uniform magnetic fleld of magnitude 1.50 T…

Q: A 0.220 m radius, 525 turn coil is rotated one fourth of a revolution in 4.17 ms, orginally having…

A: Radius of coil r = 0.220 m Number of turns N = 525 Time ∆t = 4.17 ms = 4.17×10-3 s Induced emf ε =…

Q: The induced e.m.f. in a coil is 2.10 × 10-2 V when the current in it is changing at a rate of 7.00 x…

Q: For a toroidal solenoid with the average circumference L =10 cm and 200 coils, the current is 100…

Q: In a 290-turn automobile alternator, the magnetic flux in each turn is PR = 2.50 x 10-4 cos wt,…

Q: A circular loop of wire of radius 12.0 cm is placed in a magnetic field directed perpendicular to…

A: When a conductor is placed in a varying magnetic field a potential difference is induced on the…

Q: Determine the induced emf in the alternator as a function of time. (Assume is in V.) = (b)…

Q: A narrow coil of 10 turns and area 4 x 10° m²is placed ia a uniform magnetic ficld of flux density,…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

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

Q: The rectangular coils in a 355-turn generator are 13 cm by 19 cm.What is the maximum emf produced by…

A: Given: The number of turns is 355. The dimensions are 13 cm by 19 cm. The angular speed is 505 rpm.…

Q: As shown in the figure, a metal bar of length l= 0.25 m is free to slide on frictionless rails. A…

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

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: 1.1. A loop of aled 200 cm ² is positioned perpendicular to a uniform magnetic field, without…

A: Given: The cross-section area of the loop is 200 cm2. The change in the magnetic field is -0.08 T (…

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

Q: A circular coil has a 10.0 cm radius and consists of 30 closely wound turns of wire. An externally…

A: An inductor is a device that formed a known magnetic field in a stated region. If a current I is…

Q: efer to diagram 5. 783 turn square coil has resistance 9.8 Q and lies in the plane of the page. A…

Q: A 100-turn square coil of side 20.0 cm rotates about a vertical axis at 2.8 x103 rad/min as…

A: (given) N is the number of turns = 100 Side of square coil = 20 cm…

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 closely wound 0.20 m x 0.20 m square coil of 100 turns is exposed to an external magnetic field of…

A: The average induced emf is given by e = N B A(cos θ - cosθ') t where, N is the number of turns, A…

Q: What is the induced emf in the below coil if it is moving upward at 4.2 m/s in a uniform magnetic…

Q: A 42 turn conductive loop encloses an area of 0.68 m2. At what constant rate should the magnetic…

A: According to farady's law induced emf, ∈=-Ndφdt Given emf=3.6 Volts No. of turns, N=42

Q: A square wire loop 20 cm on a side, with resistance20 m , has its plane normal to a uniform magnetic…

Q: A generator produces a maximum ĚMF of 240 V when rotating at 37.7 rad/s in a magnetic field of 0.200…

Question

A rectangular coil 25 cm by 45 cm has 150 turns. This coil produces a maximum emf of 75 V when it rotates with an angular
speed of 190 rad>s in a magnetic field of strength B. Find the
value of B

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1 Formula

VIEW

Step 2 Calculation

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Design a current loop that, when rotated in a uniform magnetic field of strength 0.10 T, will produce an emf =0 sin t. where 0=110V and 0=110V .
A wire of length 1.0 m is wound into a single-turn planar loop. The loop carries a current of 5.0 A, and it is placed in a uniform magnetic field of strength 0.25 T. (a) What is the maximum torque that the loop will experience if it is square? (b) If it is circular? (c) At what angle relative to B would die normal to the circular coil have to be oriented so that the torque on it would be the same as the maximum torque on the square coil?
A flat, square coil of 20 turns that has sides of length 15.0 cm is rotating in a magnetic field of strength 0.050 T. If tlie maximum emf produced in die coil is 30.0 mV, what is the angular velocity of the coil?
A 10-H inductor carries a current of 20 A. How much ice at 0ºC could be melted by the energy stored in the magnetic field of the inductor? (Hint: Use the value Lf= 334 J/g for ice.)
12.7 Check Your Understanding What is the ratio of the magnetic field produced from using a finite formula over the infinite approximation for an angle of (a) 85°? (b) 89°? The solenoid has 1000 mins in 50 cm with a current of 1.0 A flowing through the coils
A single-turn circular loop of wire of radius 50 mm lies in a plane perpendicular to a spatially uniform magnetic field. During a 0.10-s time interval, the magnitude of the field Increases uniformly from 200 to 300 mT. (a) Determine the emf Induced in the ioop. (b) If the magnetic field is directed out of the page, what is the direction of the cun-ent induced in the loop?
How is the percentage change in the strength of the magnetic field across the face of the toroid related to the percentage change in the radial distance from the axis of the toroid?
The square armature coil of an alternating current generator has 200 turns and is 20.0 cm on side. When it rotates at 3600 rpm, its peak output voltage is 120 V. (a) Wliat is the frequency' of the output voltage? (b) What is the strength of the magnetic field in which the coil is turning?
The accompanying figure shows a metal disk of inner radius r1 and other radius r2 rotating at an angular velocity while in a uniform magnetic field directed parallel to the rotational axis. The brush leads of voltmeter are connected to the dark's inner and outer surfaces as shown. What is the reading of the voltmeter ?
Two long, parallel wires cy equal currents in opposite directions. The radius of each wire is a, and the distance between the centers of the wires is d, Show that if the magnetic flux within the wires themselves can be ignored, the self-inductance of a length 1 of such a pair of wires is L 0 l in d1 a (Hint Calculate the magnetic flux through a rectangle of length 1 between the wires and then use L=N/I
A solenoid is wound with 2000 turns pet meter. When the cuiient is 5.2 A, what is the magnetic field within the solenoid?
A solenoid with 4 x 107turns/m has an iron core placed in it whose magnetic susceptibility is 4.0 x 103. (a) If a cent of 2.0 A flows through the solenoid, what is the magnetic field in the iron core? (b) What is the effective surface current formed by the aligned atomic current loops in the iron core? (c) What is the self-inductance of the filled solenoid?