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Damping in galvanometers is based oUpdate Questionn
- a)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.
- b)dash pot opposing the motion of the galvanometer needle
- c)needle movement being opposed by rubber touching the needle lightly
- d)needle movement being opposed by oil
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Damping in galvanometers is based oUpdate Questionna)eddy currents gen...
Explanation : The coil of galvanometer is wound on a light metal frame. When the coil and frame rotate in the field of the permanent magnet, the eddy current set up in the frame oppose the motion so that the coil returns to zero quickly.
Most Upvoted Answer
Damping in galvanometers is based oUpdate Questionna)eddy currents gen...
Damping in Galvanometers
Damping is the process of reducing or eliminating unwanted oscillations in a system. In the case of galvanometers, damping is necessary to ensure that the needle comes to rest quickly and accurately when a current is applied to the coil.
Eddy Currents
The damping in galvanometers is based on the generation of eddy currents in the core of the galvanometer. When the coil moves, it induces currents in the core that oppose the motion of the coil. This opposition is due to the production of eddy currents that generate a magnetic field that opposes the motion of the coil.
Bringing the Coil to Rest
The generation of eddy currents in the core of the galvanometer ensures that the coil comes to rest quickly and accurately. The eddy currents produce a magnetic field that is in the opposite direction to the motion of the coil. This magnetic field exerts a force on the coil that opposes its motion and brings it to rest quickly.
Advantages of Eddy Current Damping
Eddy current damping has several advantages over other damping methods. Some of these advantages are:
1. It is a passive damping method that does not require any external power source.
2. It is highly effective in bringing the coil to rest quickly and accurately.
3. It does not introduce any additional error in the measurement of current.
Conclusion
In conclusion, damping in galvanometers is based on the generation of eddy currents in the core of the galvanometer. Eddy current damping ensures that the coil comes to rest quickly and accurately when a current is applied to the coil. This method of damping is highly effective and has several advantages over other damping methods.
Damping is the process of reducing or eliminating unwanted oscillations in a system. In the case of galvanometers, damping is necessary to ensure that the needle comes to rest quickly and accurately when a current is applied to the coil.
Eddy Currents
The damping in galvanometers is based on the generation of eddy currents in the core of the galvanometer. When the coil moves, it induces currents in the core that oppose the motion of the coil. This opposition is due to the production of eddy currents that generate a magnetic field that opposes the motion of the coil.
Bringing the Coil to Rest
The generation of eddy currents in the core of the galvanometer ensures that the coil comes to rest quickly and accurately. The eddy currents produce a magnetic field that is in the opposite direction to the motion of the coil. This magnetic field exerts a force on the coil that opposes its motion and brings it to rest quickly.
Advantages of Eddy Current Damping
Eddy current damping has several advantages over other damping methods. Some of these advantages are:
1. It is a passive damping method that does not require any external power source.
2. It is highly effective in bringing the coil to rest quickly and accurately.
3. It does not introduce any additional error in the measurement of current.
Conclusion
In conclusion, damping in galvanometers is based on the generation of eddy currents in the core of the galvanometer. Eddy current damping ensures that the coil comes to rest quickly and accurately when a current is applied to the coil. This method of damping is highly effective and has several advantages over other damping methods.
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Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer?.
Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12.
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Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Damping in galvanometers is based oUpdate Questionna)eddy currents generating currents in the core opposing the motion and bringing the coil to rest quickly.b)dash pot opposing the motion of the galvanometer needlec)needle movement being opposed by rubber touching the needle lightlyd)needle movement being opposed by oilCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
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