On my opinion the best way to measure resistors is by using the DMM. The DMM read resistance, voltage and current with a digital display. It is the faster and most accurate way (table 2.1). The second most accurate way to measure resistance is by using Ohm’s law. It can used when the person has not the actual circuit but the circuit diagram. The third best way to calculate the resistor is the color code. I believe that is not very good way to measure resistor because it takes a long time and you cannot find the exactly value of the resistor but the minimum and the maximum resistance (table 1.2). On the table 2.1 you can see that VOM’s measure value for the 10KΩ resistor was found 9000Ω so the difference is 10%. When you measure the internal resistance, do not care about how many volts you are put on because the measure values have little different (table 3.1) but you should be careful when measure it with amperes. I advice you to put big values of ambers because as much amperes you put on, so much accurate values you have (table 3.2).
0 Comments
Leave a Reply. |