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In a digital multi-meter, AC voltage, DC current, AC current and resistance are first converted into equivalent ________ by a device and then measured with the help of a digital voltmeter.
- a)DC voltage
- b)Resistance
- c)Inductance
- d)Capacitance
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
In a digital multi-meter, AC voltage, DC current, AC current and resis...
Digital Multimeter:
- A digital multimeter is an electronic instrument that can measure very precisely the dc and ac voltage, current (dc and ac), and resistance.
- All quantities other than dc voltage are first converted into an equivalent dc voltage by some device and then measured with the help of a digital voltmeter.
- Multimeters measure resistance by injecting a small current into the circuit and then measuring the voltage drop across those points in the circuit.
- The known current and the resulting voltage drop are then used to calculate the resistance using Ohm's Law.
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In a digital multi-meter, AC voltage, DC current, AC current and resis...
Explanation:
Conversion Process:
- In a digital multi-meter, AC voltage, DC current, AC current, and resistance are first converted into equivalent DC voltage by a device.
- This conversion process allows the digital voltmeter to measure these parameters accurately.
Role of Digital Voltmeter:
- The digital voltmeter is used to measure the converted DC voltage of the AC voltage, DC current, AC current, and resistance.
- It displays the readings in a digital format for easy interpretation by the user.
Accuracy and Precision:
- By converting the various electrical parameters into DC voltage, the digital multi-meter ensures accurate and precise measurements.
- This conversion process eliminates any errors that may arise from measuring different types of signals directly.
Functionality of Digital Multi-Meter:
- The digital multi-meter combines the functions of a voltmeter, ammeter, and ohmmeter in one device.
- It can measure a wide range of electrical parameters quickly and efficiently, making it a versatile tool for electrical testing.
In conclusion, the conversion of AC voltage, DC current, AC current, and resistance into equivalent DC voltage allows a digital multi-meter to accurately measure these parameters using a digital voltmeter. This process ensures accurate readings and reliable performance in various electrical testing applications.
Conversion Process:
- In a digital multi-meter, AC voltage, DC current, AC current, and resistance are first converted into equivalent DC voltage by a device.
- This conversion process allows the digital voltmeter to measure these parameters accurately.
Role of Digital Voltmeter:
- The digital voltmeter is used to measure the converted DC voltage of the AC voltage, DC current, AC current, and resistance.
- It displays the readings in a digital format for easy interpretation by the user.
Accuracy and Precision:
- By converting the various electrical parameters into DC voltage, the digital multi-meter ensures accurate and precise measurements.
- This conversion process eliminates any errors that may arise from measuring different types of signals directly.
Functionality of Digital Multi-Meter:
- The digital multi-meter combines the functions of a voltmeter, ammeter, and ohmmeter in one device.
- It can measure a wide range of electrical parameters quickly and efficiently, making it a versatile tool for electrical testing.
In conclusion, the conversion of AC voltage, DC current, AC current, and resistance into equivalent DC voltage allows a digital multi-meter to accurately measure these parameters using a digital voltmeter. This process ensures accurate readings and reliable performance in various electrical testing applications.
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In a digital multi-meter, AC voltage, DC current, AC current and resistance are first converted into equivalent ________ by a device and then measured with the help of a digital voltmeter.a)DC voltageb)Resistancec)Inductanced)CapacitanceCorrect answer is option 'A'. Can you explain this answer?
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