2.2 ohm resistor color code
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). 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. 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%. 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). The third best way to calculate the resistor is the color code. It can used when the person has not the actual circuit but the circuit diagram. The second most accurate way to measure resistance is by using Ohm’s law. It is the faster and most accurate way (table 2.1). The DMM read resistance, voltage and current with a digital display. On my opinion the best way to measure resistors is by using the DMM. The difference between the current of DMM values and Ohm’s law current use the following equation: The difference between the normal resistor value and the measure value use the following equation: The different between them is very small except the value of 2v. On the table 4.2 seeing the difference between the current we found on the DMM and the current we found plotting the Ohm’s law. On the table 4.1 seeing that the difference between the DMM and the power supply is very small except the lower values among 1v and 4v. On the table 3.2 seeing that as much ambers put on, so much accurate values have. On the table 3.1 seeing that as many different values volts put on the specified internal resistance the difference with the measured resistance are very small. You can see that the DMM is more accurate than VOM although it fount the 1ΚΩ value exactly. On table 2.1 seeing the different between normal resistor value and measure value using DMM and VOM. On the table 1.2 resistors do not have the accurate values which are recorded on it but it is fluctuated between minimum and maximum values. Table 4.1 Difference between the DMM set on power supply Table 3.2 Measured internal resistance of DMM’s current scales Table 3.1 Measure the internal resistance of each voltage scale
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Table 2.1 Measure values and difference of a resistor Table 1.2 Minimum and maximum resistance of a resistor The graphs of the currents are sketching out (graph 1). The current is measured by the DMM and the difference between the values of the DMM and the current is finding using the Ohm’s law (table4.2). The power supply, changing the values of the voltage we set it on the DMM and the resistors, which had taken new values and found the difference between them (table4.1). The DMM’s internal measured resistance of each current scale is measured (table3.2). The DMM’s internal measured resistance of each dc voltage scale is measured (table3.1). The same thing is doing with the VOM (table2.1) The difference between the normal resistor value and the measured value is finding. The measure from the two resistors is taken. Minimum value= resistor nominal value – tolerance X resistor nominal valueĭMM and resistor are connected with wires. Maximum value= resistor nominal value + tolerance X resistor nominal value The minimum and the maximum resistance are finding by using the following equation (table 1.2).
#2.2 ohm resistor color code code
The resistance value of 1KΩ and 10 KΩ resistors identified using the color code (table 1.1).
#2.2 ohm resistor color code serial
Analog Multimeter (Brand: HAMEG, Model: HM 203-6, Serial Number: 46/87 Z33418).Digital Multimeter (Brand: Good Will Instruments Co.Power supplies gives a source of power, rated as maximum voltage and current output.
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The color code is described in a listing of the numerical value associated with each color.The DMM read resistance, voltage and current with a digital display.The VOM employs an analog scale to read resistance, voltage and current.In the experiments will be used the VOM, DMM, the color code and power supply to measure the resistance of the provided resistors. Become familiar with the dc power supply and setting the output voltage.Make the student knowing about how important internal resistance of a voltmeter and ammeter is.To get knowledge of read and use the resistor color code.Make the student familiar with the digital and analog ohmmeter.