Question
Vacuum thermo-elements types of instruments are mostly employed for the measurement of electric current at ________.
The correct answer is
very high frequency
High Frequency Current Measurement Using Vacuum Thermo-elements
Vacuum thermo-elements are a specific type of instrument utilized for measuring electric current, particularly effective under demanding frequency conditions.
- Optimal Frequency Range: These instruments are most effective for measuring electric current at very high frequencies.
- Technical Rationale: At very high frequencies, conventional measurement instruments suffer from significant parasitic effects, including unwanted capacitance and inductance. These effects distort the measurement accuracy.
- Vacuum Benefits: The use of a vacuum eliminates problems like arcing and insulation breakdown that typically occur in air at high frequencies. This ensures stable operation and reliable readings.
- Instrument Suitability: Consequently, vacuum thermo-elements are employed precisely because they mitigate these high-frequency issues, providing accurate current measurements in this specific range.
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Important Questions from Measuring Instruments
Which one of the following weather conditions indicates a sudden fall in barometer reading?
______ is used to measure the pressure inside the eyes of a person.
A ‘gnomon’ is a part of a ________.
An instrument called the ______ measures the electric current in a circuit.
Seismograph is used to measure:
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