An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 1.90 T field with his fingers pointing in the direction of the field. His wedding ringhas a diameter of 2.11 cm, and it takes 0.320 s to move it into the field.(a) What average current is induced in the ring if its resistance is 0.0100 Q? (Enter the magnitude in amperes.)0.652(b) What average power is dissipated (in W)?4.25e-4(c) What average magnetic field is induced at the center of the ring? (Enter the magnitude in teslas.)3.88e-5(d) What is the direction of this induced magnetic field relative to the MRI's field?O parallelO antiparallelO The magnitude is zero.

Answered: Image /qna-images/answer/bccb9140-0af1-4e56-95a1-f2a3115c3e98.jpg

Answered: An MRI technician moves his hand from a…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 60P: The flip coil of the preceding problem has a radius of 3.0 cm and is wound with 40 turns of copper...

See similar textbooks

Similar questions

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 square loop whose sides are 6.0-cm long is made with copper wire of radius 1.0 mm. If a magnetic field perpendicular to the loop is changing at a rate of 5.0 mT/s, what is the current in the loop?
The density of charge carriers far copper is 8.471028 electrons per cubic meter. What will be the Hall voltage reading from a probe made up of 3cm2cm1cm ( (LWT) ) copper plate when a current of 1.5 A is passed through it in a magnetic field of 2.5 T perpendicular to the 3cm2cm .
The flip coil of the preceding problem has a radius of 3.0 cm and is wound with 40 turns of copper wire. The total resistance of tire coil and ballistic galvanometer is 0.20 When the coil is flipped through 180° in a magnetic fielda change of 0.090 C flows through the ballistic galvanometer. (a) Assuming that and the face of the coil are initially perpendicular, what is tire magnetic field? (b) If the coil is flipped through 90°, what is tire reading of the galvanometer?
A coil with 50 turns and area 10cm2 is oriented with its plane perpendicular to a 0.75-T magnetic field. If the coil is flipped over (rotated through 180°) in 0.20 s, what is the average emf induced in it?
Unreasonable results Frustrated by the small Hall voltage obtained in blood flow measurements, a medical physicist decides to increase the applied magnetic field strength to get a 0.500-V output for blood moving at 30.0 cm/s in a 1.50-cm-diameter vessel. (a) What magnetic field strength is needed? (b) What is unreasonable about this result? (C) Which premise is responsible?
A loop of wire with a radius of 0.16 m and resistance, 47.4 Ohms is in a region with a changing magnetic field that is oriented perpendicular to the loop. If the magnetic field increases linearly from 0.011 T to 0.05 T, over 5.59 x 10-3 s, what is the current in the loop? Please give your answer in Amps.
A scientist wearing a circular metal cuff on his wrist moves his hand into a uniform magnetic field of 6T in 0.4s. If the diameter of the cuff is 6cm and the field is at an angle of 45 degrees with the plane of the metal cuff what is the magnitude of the average EMF induced within the band? If the cuff has a resistance of 1OHM what is the induced current then?
A 11.7 cm long rod moves at 3.99 (m/sec). What is the strength of magnetic field if a 94.8 V emf is induced.
An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.50 T field with his fingers pointing in the direction of the field. His wedding ring has a diameter of 2.25 cm, and it takes 0.400 s to move it into the field. (a) What average current is induced in the ring if its resistance is 0.0100 N? (Enter the magnitude in amperes.) A (b) What average power is dissipated (in W)? W (c) What average magnetic field is induced at the center of the ring? (Enter the magnitude in teslas.) (d) What is the direction of this induced magnetic field relative to the MRI's field? O parallel O antiparallel O The magnitude is zero.
An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.30 T field with his fingers pointing in the direction of the field. His wedding ring has a diameter of 2.13 cm, and it takes 0.380 s to move it into the field. a) What average current is induced in the ring if its resistance is 0.0100 Ω? (Enter the magnitude in amperes.) b) What average power is dissipated (in W)? and c) What average magnetic field is induced at the center of the ring? (Enter the magnitude in teslas.)
.

SEE MORE QUESTIONS

Recommended textbooks for you

University Physics Volume 2

Physics

ISBN:

9781938168161

Author:

OpenStax

Publisher:

OpenStax

College Physics

Physics

ISBN:

9781285737027

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

University Physics Volume 2

Physics

ISBN:

9781938168161

Author:

OpenStax

Publisher:

OpenStax

College Physics

Physics

ISBN:

9781285737027

Author:

Raymond A. Serway, Chris Vuille

Publisher:

Cengage Learning

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

SEE MORE TEXTBOOKS