Resistor Color Practice

Resistor values are often indicated with color codes. Resistor color code practice by patrick hoppe.

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For example many resistor manufacturers make every single value on the e24 list in 1 and 2 tolerance even though the practice makes little mathematical sense.

Resistor color practice. On top of the chart we can see a picture of a normal four band general purpose resistor and a five band precision resistor. You can gain access to the quiz and worksheet to practice the following skills. In this learning activity youll build a resistors color code based on the bands.

I hope you enjoy playing this my first quiz. Practically all leaded resistors with a power rating up to one watt are marked with color bands. A quiz about the resistor colour code which should be simple enough for electricians but not so easy for those without experience in this field.

1st band 2nd band 3rd band 4th band value upper limit lower limit green red brown silver blue gray black red brown orange orange gold yellow green black. Color bands that appear on a 33k ohm resistor colors used in a 100k ohm resistor skills practiced. For example the color orange represents the number 3 and a multiplier of 1000 which has 3 zeros.

Average score for this quiz is 7 10. 22 ohm r22 red red silver 27 ohm r27 red purple silver 33 ohm r33 orange orange silver 39 ohm r39 orange white silver 47 ohm r47 yellow purple silver notation tolerance. The resistor has 4 bands.

You are welcome to use this page as long as you wish and to revisit it at any time. The resistor color code and the eia preferred values are internationally accepted standards but some manufacturers have their own way of doing things. The coding is defined in the international standard iec 60062.

Practice with the color code this page is designed to offer unlimited practice at reading and deciphering the resistor color code which applies to other components as well. The purpose of this worksheet is to help review your understanding of resistor color codes. Notice that the number of zeroes is equal to the colors number.

Yellow brown brown gold which answer is correct. Band 1 band 2 band 3. Given 10 different sets of color bands determine the resistor values and tolerances.

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