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Commercial electric motors do not use
- a)An electromagnet to rotate the armature
- b)Effectively large number of turns of conducting wire in the current-carrying coil
- c)A permanent magnet to rotate the armature
- d)A soft iron core on which the coil is wound
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Commercial electric motors do not usea)An electromagnet to rotate the ...
Understanding Electric Motors
Electric motors are devices that convert electrical energy into mechanical energy using electromagnetic principles. In commercial electric motors, various components play crucial roles in their functionality.
Components of Electric Motors
- Electromagnet:
- Most electric motors use electromagnets to generate the magnetic field required for rotation. This field interacts with the armature to produce motion.
- Conducting Wire:
- A large number of turns of conducting wire are used in the coil. This increases the magnetic field strength when electric current passes through, enhancing the motor's efficiency.
- Soft Iron Core:
- The coil is often wound around a soft iron core, which amplifies the magnetic field. This core helps in directing the magnetic lines of force, improving the motor's performance.
Why Permanent Magnets Are Less Common
- Permanent Magnet Use:
- In commercial electric motors, the use of permanent magnets to rotate the armature is not typical. While some motors, like small DC motors, might feature permanent magnets, most larger and more complex motors rely on electromagnets for better control and efficiency.
- Flexibility and Control:
- Electromagnets allow for adjustable magnetic fields, which enable precise control over speed and torque. This flexibility is essential in industrial applications, making electromagnets more favorable than permanent magnets.
Conclusion
In summary, commercial electric motors primarily utilize electromagnets, conducting wire coils, and soft iron cores, rather than permanent magnets, to achieve efficient and controllable motion. Thus, the correct answer to the question is option 'C'.
Electric motors are devices that convert electrical energy into mechanical energy using electromagnetic principles. In commercial electric motors, various components play crucial roles in their functionality.
Components of Electric Motors
- Electromagnet:
- Most electric motors use electromagnets to generate the magnetic field required for rotation. This field interacts with the armature to produce motion.
- Conducting Wire:
- A large number of turns of conducting wire are used in the coil. This increases the magnetic field strength when electric current passes through, enhancing the motor's efficiency.
- Soft Iron Core:
- The coil is often wound around a soft iron core, which amplifies the magnetic field. This core helps in directing the magnetic lines of force, improving the motor's performance.
Why Permanent Magnets Are Less Common
- Permanent Magnet Use:
- In commercial electric motors, the use of permanent magnets to rotate the armature is not typical. While some motors, like small DC motors, might feature permanent magnets, most larger and more complex motors rely on electromagnets for better control and efficiency.
- Flexibility and Control:
- Electromagnets allow for adjustable magnetic fields, which enable precise control over speed and torque. This flexibility is essential in industrial applications, making electromagnets more favorable than permanent magnets.
Conclusion
In summary, commercial electric motors primarily utilize electromagnets, conducting wire coils, and soft iron cores, rather than permanent magnets, to achieve efficient and controllable motion. Thus, the correct answer to the question is option 'C'.
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Commercial electric motors do not usea)An electromagnet to rotate the ...
A permanent magnet is weak.
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Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer?.
Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 10.
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Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Commercial electric motors do not usea)An electromagnet to rotate the armatureb)Effectively large number of turns of conducting wire in the current-carrying coilc)A permanent magnet to rotate the armatured)A soft iron core on which the coil is woundCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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