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BlackHole213
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When using a multimeter, how come the values for the current and voltage fluctuate?
orBobbywhy said:1. The multimeter is defective, or
2. The current and the voltage really are fluctuating.
What are you measuring? What is the value of the voltage or current you are reading, and by how much is it fluctuating? That information might help us narrow down the cause.BlackHole213 said:When using a multimeter, how come the values for the current and voltage fluctuate?
BlackHole213 said:I got a voltage of about 6.692V. The digit after the 2 was fluctuating between 2 and 4. For the current, I got 1.236 mA with a similar fluctuation right after the 6. My assignment was to verify Kirchoff's current and voltage laws. Only a few of the calculations actually equal zero. The majority are off by a few milivolts or microamps. I am trying to account for the non-zero values in my discussion.
To change the units on your multimeter, you will need to locate the unit button or dial on your device. This is typically labeled as "Units" or has different symbols for each unit of measurement. Press or turn the button or dial to select the desired unit.
Yes, some multimeters have a feature that allows you to manually input a specific value. This is useful when you need to measure a value that is not provided on the pre-set settings. Look for a "Manual Range" button or setting on your multimeter and follow the instructions to enter your desired value.
If your multimeter is showing a negative value, it is most likely because you have the probes connected in reverse. Make sure the positive probe is connected to the positive terminal and the negative probe is connected to the negative terminal. If the problem persists, check the batteries and make sure they are not low or replace them.
The process for resetting a multimeter to its default settings varies depending on the model. Some may have a "Reset" button, while others may require you to remove the batteries and wait a few minutes before reinserting them. Refer to your multimeter's instruction manual for specific steps on how to reset it.
Yes, most multimeters have the capability to measure both AC and DC voltage. However, it is important to select the correct setting for the type of voltage you are measuring. Look for symbols that indicate AC or DC voltage on your multimeter and make sure the probes are connected to the correct terminals before taking a reading.