Type youVOM has the higher loading effectr answer here...
The VOM has the higher loading effect, because it has a lower impedance. It is typical for a VOM to have an impedance of 20K ohms per volt while the DMM has a fixed impedance of 10M ohms or 20M ohms.
please i need the answer
The output of a sensor device may deviate from the correct value due to loading effect. We can categorize two types of loading effect:Inter element loading- A given element in the system may modify the characteristics of the previous element.Process loading- The introduction of the sensing element into the process or system being measured causes the value of the measured variable to change.
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loading of an ammeter in a circuit decreases the flow of current,so it has to be calculated to reduce expected errors in the operations
The VOM has the higher loading effect, because it has a lower impedance. It is typical for a VOM to have an impedance of 20K ohms per volt while the DMM has a fixed impedance of 10M ohms or 20M ohms.
The higher the mismatch between the load impedance and source impedance, the higher the loading effect.
Kindle help me to answer What is valve point loading effect and its applcation
Loading refers to the phenomena that occurs when a load circuit having low effective impedance is connected to a supply circuit having higher effective impedance.
By increasing the input impedance of amplifier.
please i need the answer
Yes, you have to use an op-amp buffer to prevent the loading effect.
The output of a sensor device may deviate from the correct value due to loading effect. We can categorize two types of loading effect:Inter element loading- A given element in the system may modify the characteristics of the previous element.Process loading- The introduction of the sensing element into the process or system being measured causes the value of the measured variable to change.
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The voltmeter has an internal resistance, which should be as high as possible. As this resistance draws current from the circuit under test, it will affect circuit operation. This is more pronounced in a high impedance circuit because the current drawn flows through higher resistances.
Heat, smoke, fire...
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