Concept explainers
Your classmate says that, if you crank the shaft of a conventional motor manually, the motor becomes a generator. Do you agree or disagree, and why?
The reason for a convention motor for working as a generator.
Answer to Problem 33A
Yes, Agree. Any coil that cuts magnetic field lines can be a generator.
Explanation of Solution
Introduction: A generator is used to convert mechanical energy into electrical energy. It works according to a law of electromagnetic induction.
I agree with classmates but only in the case of direct current. Any wire bounded coil rotated in a magnetic field and cuts its magnetic lines can be a generator. But in the case of alternating current, I cannot further agree with my classmate.
Conclusion: Agree! But only in the case of direct current.
Chapter 37 Solutions
Conceptual Physics: The High School Physics Program
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