Applied Physics (11th Edition)
11th Edition
ISBN: 9780134159386
Author: Dale Ewen, Neill Schurter, Erik Gundersen
Publisher: PEARSON
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Textbook Question
Chapter 24, Problem 1RQ
What field or fields of physics intrigued Einstein at a very young age?
- a. Momentum
- b.
Thermodynamics - c. Electricity and magnetism
- d. Sound and waves
Expert Solution & Answer
To determine
Find the correct option.
Answer to Problem 1RQ
The correct option is (c). Electricity and magnetism.
Explanation of Solution
At an age of five Einstein is provided with a compass by his father. He was very intrigued by the movement of compass needle even though nothing was physically pushing it.
The principle of rotating the compass needle is due to presence of magnetic field present outside. The influence of magnetic field upon compass needle makes it to rotate on a bearing.
The physical mystery happening in the compass attracted Einstein and encouraged him to do more research on it at an early age.
Conclusion:
Therefore electricity and magnetism are the fields of physics intrigued Einstein at a very young age. Hence, option (c) is the correct answer.
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Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 161 cm , but its circumference is decreasing at a constant rate of 15.0 cm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of magnitude 1.00 T , which is oriented perpendicular to the plane of the loop. Assume that you are facing the loop and that the magnetic field points into the loop. Find the magnitude of the emf E induced in the loop after exactly time 9.00 s has passed since the circumference of the loop started to decrease. please show all steps
Chapter 24 Solutions
Applied Physics (11th Edition)
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