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The frequency range of moving-iron instruments is
- a)audio-frequency band 20 Hz to 20 kHz
- b)very low-frequency band 10 Hz to 30 kHz
- c)low-frequency band 30 Hz to 300 kHz
- d)Power frequencies 0 to 125 Hz
Correct answer is option 'D'. Can you explain this answer?
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Frequency Range of Moving-Iron Instruments
Introduction
Moving-iron instruments are used for measuring AC quantities. They work on the principle of electromagnetic induction. The moving-iron instruments are used to measure the magnitude of the current, voltage, and power in AC circuits.
Frequency Range
The frequency range of moving-iron instruments is from 0 to 125 Hz. This means that these instruments can measure AC quantities in the power frequency range. The power frequency range is the frequency range of the AC supply that is used to power homes and industries.
Power Frequencies
Power frequencies are the frequencies that are used to power homes and industries. These frequencies are typically in the range of 50 Hz or 60 Hz. In India, the power frequency is 50 Hz, while in the USA, it is 60 Hz. Moving-iron instruments are designed to measure AC quantities in this frequency range.
Limitations
Moving-iron instruments have certain limitations. They are not suitable for measuring high-frequency AC quantities. The reason for this is that the moving-iron instruments are not fast enough to respond to rapid changes in the AC signal. Therefore, they are not suitable for measuring AC quantities in the radio-frequency or microwave frequency range.
Conclusion
In conclusion, the frequency range of moving-iron instruments is from 0 to 125 Hz. These instruments are designed to measure AC quantities in the power frequency range. They have certain limitations and are not suitable for measuring high-frequency AC quantities.
Introduction
Moving-iron instruments are used for measuring AC quantities. They work on the principle of electromagnetic induction. The moving-iron instruments are used to measure the magnitude of the current, voltage, and power in AC circuits.
Frequency Range
The frequency range of moving-iron instruments is from 0 to 125 Hz. This means that these instruments can measure AC quantities in the power frequency range. The power frequency range is the frequency range of the AC supply that is used to power homes and industries.
Power Frequencies
Power frequencies are the frequencies that are used to power homes and industries. These frequencies are typically in the range of 50 Hz or 60 Hz. In India, the power frequency is 50 Hz, while in the USA, it is 60 Hz. Moving-iron instruments are designed to measure AC quantities in this frequency range.
Limitations
Moving-iron instruments have certain limitations. They are not suitable for measuring high-frequency AC quantities. The reason for this is that the moving-iron instruments are not fast enough to respond to rapid changes in the AC signal. Therefore, they are not suitable for measuring AC quantities in the radio-frequency or microwave frequency range.
Conclusion
In conclusion, the frequency range of moving-iron instruments is from 0 to 125 Hz. These instruments are designed to measure AC quantities in the power frequency range. They have certain limitations and are not suitable for measuring high-frequency AC quantities.
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The frequency range of moving-iron instruments isa)audio-frequency band 20 Hz to 20 kHzb)very low-frequency band 10 Hz to 30 kHzc)low-frequency band 30 Hz to 300 kHzd)Power frequencies 0 to 125 HzCorrect answer is option 'D'. Can you explain this answer?
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The frequency range of moving-iron instruments isa)audio-frequency band 20 Hz to 20 kHzb)very low-frequency band 10 Hz to 30 kHzc)low-frequency band 30 Hz to 300 kHzd)Power frequencies 0 to 125 HzCorrect answer is option 'D'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The frequency range of moving-iron instruments isa)audio-frequency band 20 Hz to 20 kHzb)very low-frequency band 10 Hz to 30 kHzc)low-frequency band 30 Hz to 300 kHzd)Power frequencies 0 to 125 HzCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The frequency range of moving-iron instruments isa)audio-frequency band 20 Hz to 20 kHzb)very low-frequency band 10 Hz to 30 kHzc)low-frequency band 30 Hz to 300 kHzd)Power frequencies 0 to 125 HzCorrect answer is option 'D'. Can you explain this answer?.
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