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Which of the following method or technique can be used for the measurement of high dc voltages ?
- a)Generating voltmeter
- b)Electrostatic voltmeter
- c)Peak voltmeter
- d)Any of the above.
Correct answer is option 'A'. Can you explain this answer?
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Which of the following method or technique can be used for the measure...
Measurement of High DC Voltages using Generating Voltmeter:
Generating voltmeters are the most widely used method for the measurement of high DC voltages. It is based on the principle of generating a voltage proportional to the voltage being measured.
Working Principle:
The generating voltmeter consists of a fixed coil and a moving coil. The fixed coil is connected to the high voltage source, and the moving coil is connected to a low voltage circuit. When the high voltage is applied to the fixed coil, it generates a magnetic field. This magnetic field induces a voltage in the moving coil, which is proportional to the high voltage being measured.
Advantages:
1. High accuracy: Generating voltmeters offer high accuracy in the measurement of high DC voltages.
2. Wide range: They can measure a wide range of DC voltages from a few volts to several thousand volts.
3. No external power source required: Generating voltmeters do not require an external power source for their operation.
4. Easy to use: They are easy to use and require minimal training to operate.
Disadvantages:
1. Cost: Generating voltmeters are relatively expensive compared to other methods of measuring high DC voltages.
2. Limited portability: Due to their size and complexity, generating voltmeters are not very portable.
Conclusion:
Generating voltmeters are a reliable and accurate method for the measurement of high DC voltages. They are widely used in electrical power systems and other applications where high voltage measurements are required.
Generating voltmeters are the most widely used method for the measurement of high DC voltages. It is based on the principle of generating a voltage proportional to the voltage being measured.
Working Principle:
The generating voltmeter consists of a fixed coil and a moving coil. The fixed coil is connected to the high voltage source, and the moving coil is connected to a low voltage circuit. When the high voltage is applied to the fixed coil, it generates a magnetic field. This magnetic field induces a voltage in the moving coil, which is proportional to the high voltage being measured.
Advantages:
1. High accuracy: Generating voltmeters offer high accuracy in the measurement of high DC voltages.
2. Wide range: They can measure a wide range of DC voltages from a few volts to several thousand volts.
3. No external power source required: Generating voltmeters do not require an external power source for their operation.
4. Easy to use: They are easy to use and require minimal training to operate.
Disadvantages:
1. Cost: Generating voltmeters are relatively expensive compared to other methods of measuring high DC voltages.
2. Limited portability: Due to their size and complexity, generating voltmeters are not very portable.
Conclusion:
Generating voltmeters are a reliable and accurate method for the measurement of high DC voltages. They are widely used in electrical power systems and other applications where high voltage measurements are required.
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Which of the following method or technique can be used for the measure...
Generating voltmeter
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Which of the following method or technique can be used for the measurement of high dc voltages ?a)Generating voltmeterb)Electrostatic voltmeterc)Peak voltmeterd)Any of the above.Correct answer is option 'A'. Can you explain this answer?
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