2. A loop of wire is removed from a region contain- ing a uniform magnetic field, as shown. What is the direction of the induced current, if any? A. Clockwise B. Counter-clockwise C. There is no induced current D. The direction cannot be determined on the basis of the given information 3. A wire circuit immersed in a uniform magnetic field contains a movable section. If the section is moved toward the left, a current is induced. What is the direction of the magnetic field? A. Out of the page B. Into the page C. Up toward the top of the D. Down toward the bottom of the page page 4. Which of the following statements about Lenz's law is correct? A. It is an exception to the law of conservation of energy. B. It is a consequence of conservation of charge. C. The induced electric field starts and stops on charges. D. The direction of an induced current opposes the cause that produced it. 5. A rectangular loop of wire is immersed in an external magnetic field that is becoming stronger as time goes on. Which of the following statements about flux through the loop is correct? A. The flux is constant. B. The flux is zero. C. The flux is increasing. D. The flux is decreasing. ESSAY QUESTIONS 11. Are the electric field lines induced by a changing magnetic flux in any way different from elec- tric field lines due to charges? Explain.
2. A loop of wire is removed from a region contain- ing a uniform magnetic field, as shown. What is the direction of the induced current, if any? A. Clockwise B. Counter-clockwise C. There is no induced current D. The direction cannot be determined on the basis of the given information 3. A wire circuit immersed in a uniform magnetic field contains a movable section. If the section is moved toward the left, a current is induced. What is the direction of the magnetic field? A. Out of the page B. Into the page C. Up toward the top of the D. Down toward the bottom of the page page 4. Which of the following statements about Lenz's law is correct? A. It is an exception to the law of conservation of energy. B. It is a consequence of conservation of charge. C. The induced electric field starts and stops on charges. D. The direction of an induced current opposes the cause that produced it. 5. A rectangular loop of wire is immersed in an external magnetic field that is becoming stronger as time goes on. Which of the following statements about flux through the loop is correct? A. The flux is constant. B. The flux is zero. C. The flux is increasing. D. The flux is decreasing. ESSAY QUESTIONS 11. Are the electric field lines induced by a changing magnetic flux in any way different from elec- tric field lines due to charges? Explain.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter34: Electromagnetic Waves
Section: Chapter Questions
Problem 34.5OQ
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Transcribed Image Text:2. A loop of wire is removed from a region contain-
ing a uniform magnetic field, as shown. What is
the direction of the induced current, if any?
A. Clockwise
B. Counter-clockwise
C. There is no induced current
D. The direction cannot be determined on the
basis of the given information
3. A wire circuit immersed in a uniform magnetic
field contains a movable section. If the section is
moved toward the left, a current is induced.
What is the direction of the magnetic field?
A. Out of the page
B. Into the page
C. Up toward the top of the
D. Down toward the bottom of the page
page
4. Which of the following statements about Lenz's law is correct?
A. It is an exception to the law of conservation of energy.
B. It is a consequence of conservation of charge.
C. The induced electric field starts and stops on charges.
D. The direction of an induced current opposes the cause that produced it.
5. A rectangular loop of wire is immersed in an external magnetic field that is becoming stronger
as time goes on. Which of the following statements about flux through the loop is correct?
A. The flux is constant.
B. The flux is zero.
C. The flux is increasing.
D. The flux is decreasing.
ESSAY QUESTIONS
11. Are the electric field lines induced by a changing magnetic flux in any way different from elec-
tric field lines due to charges? Explain.
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