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    the value of resistor represented by the colour code brown black yellow silver is

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    The colour code of a resistor is brown, black and brown. Then the value of resistance is .....

    Click here👆to get an answer to your question ✍️ The colour code of a resistor is brown, black and brown. Then the value of resistance is .....

    Question

    The colour code of a resistor is brown, black and brown. Then the value of resistance is .....

    A

    10Ω

    B

    100mΩ

    C

    0.1kΩ

    D

    100 + 5%

    Medium Open in App

    Updated on : 2022-09-05

    Solution Verified by Toppr

    Correct option is C)

    Answer is C.

    Carbon-composition and carbon film resistors are too small to have the resistance value printed on their housings. Therefore, bands of color are used to represent the resistance value.

    The first and second band represents the numerical value of the resistor, and the color of the third band specify the power-of-ten multiplier. The color bands are always read from left to right starting with the side that has a band closer to the edge.

    Hence, for a brown, black, brown color code of a resistor. The resistance value is 100 ohms, that is, 0.1kΩ.

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    Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

    A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.

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    Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

    Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.

    4 Band 5 Band 6 Band

    4 Band Resistor

    ohms ohms ohms

    How to Use the Resistor Color Code Calculator

    Are you having trouble reading resistor color codes? If your answer is yes, this tool is specifically designed for you! Our Resistor Color Code Calculator is a handy tool for reading carbon-composition resistors, whether it's a 4 band, 5 band, or 6 band type.

    To use this tool, simply click on a particular color and number and watch how the actual bands on the resistor illustration change. The resistance value is displayed on the field below, together with the tolerance and the temperature coefficient.

    Resistor Color Bands

    As shown above, a carbon-composition resistor can have 4 to 6 bands. A 5-band resistor is more precise than a 4-band type because of the inclusion of a third significant digit. A 6-band resistor is like a 5-band resistor but includes a temperature coefficient band (the 6th band). Below (Table 1), you can see an overview of the different band types.

    Table 1. An overview of the different bands in a resistor.

    4 Band 5 Band 6 Band

    1st band 1st significant digit 1st significant digit 1st significant digit

    2nd band 2nd significant digit 2nd significant digit 2nd significant digit

    3rd band multiplier 3rd significant digit

    3rd significant digit

    4th band tolerance multiplier multiplier

    5th band N/A tolerance tolerance

    6th band N/A N/A temperature coefficient

    Each color represents a number if it's located from the 1st to 2nd band for a 4 band type or 1st to 3rd band for a 5 band and 6 band type. Table 2 shows the different band colors and their values.

    Table 2. Resistor colors and values.

    Color Value

    Black (2nd and 3rd bands only)

    0 Brown 1 Red 2 Orange 3 Yellow 4 Green 5 Blue 6 Violet 7 Grey 8 White 9

    Mnemonics were created to easily memorize the sequence of the colors. The most popular mnemonic is "Big Boys Race Our Young Girls But Violet Generally Wins" where the first letter of each word corresponds to the first letter of the color.

    If the color is found on the 3rd band for a 4 band type or the 4th band for a 5 band and 6 band type, then it's a multiplier. as shown in Table 3.

    Table 3. Resistor colors and value multiplier.

    Color Value Black x1 Brown x10 Red x100 Orange x1000 Yellow x10000 Green x100000 Blue x1000000 Violet x10000000 Grey x100000000 White x1000000000

    Notice that the number of zeroes equals the color's number as per the previous table.

    The 4th band (or 5th for the 5 band and 6 band) indicates the tolerance values. Here, two colors are added (gold and silver).

    Table 4. Resistor colors and tolerance values, including gold and silver.

    Color Value Black N/A Brown ±1% Red ±2% Orange ±3% Yellow ±4% Green ±0.5% Blue ±0.25% Violet ±0.10% Grey ±0.05% White N/A Gold ±5% Silver ±10%

    The 6th band for a 6 band type resistor is the temperature coefficient. This indicates how much the actual resistance value of the resistor changes when the temperature changes. Table 5 shows these values for each corresponding color.

    Table 5. Resistor color and temperature coefficients.

    Color Value Black N/A Brown 100 ppm/ºC Red 50 ppm/ºC Orange 15 ppm/ºC Yellow 25 ppm/ºC Green N/A Blue 10 ppm/ºC Violet 5 ppm/ºC Grey N/A White N/A

    Resistor Color Code Exceptions

    Below we'll go over some of the exceptions to the resistor color code.

    5 Band Resistor With the 4th Band of Gold or Silver

    All 5 band resistors with the 4th band of silver or gold form an exception and are utilized on specific or older resistors. The first two bands represent the significant digits, the 3rd band is a multiplication factor, the 4th band is for tolerance, and the 5th band is for the temperature coefficient (ppm/K).

    Deviating Resistor Band Colors

    To prevent metal and other particles from getting in the coating of high-voltage resistors, the gold and silver bands are often replaced with yellow and gray bands.

    Single Black Resistor Band or Zero Ohm Resistor

    A single black band on a resistor is called a zero-ohm resistor.  Basically, it is a wire link used to connect traces on a printed circuit board (PCB) that is packaged in the same physical package format as a resistor. This packaging allows the zero-ohm resistor to be placed on the circuit board using the equipment typically used to place other resistors.

    Resistance Reliability Band

    स्रोत : www.allaboutcircuits.com

    The colour code of a resistor is brown, black and brown. Then the value of resistance isA. \\[10{\\text{ }}\\Omega \\]B. \\[100{\\text{ m}}\\Omega \\]C. \\[0.1{\\text{ k}}\\Omega \\]D. \\[1000{\\text{ }}\\Omega \\]

    The colour code of a resistor is brown, black and brown. Then the value of resistance isA. \\[10{\\text{ }}\\Omega \\]B. \\[100{\\text{ m}}\\Omega \\]C. \\[0.1{\\text{ k}}\\Omega \\]D. \\[1000{\\text{ }}\\Omega \\]. Ans: Hint Usually, all the leaded...

    The colour code of a resistor is brown, black and brown. Then the value of resistance is

    A. 10 Ω 10 Ω B. 100 mΩ 100 mΩ C. 0.1 kΩ 0.1 kΩ D. 1000 Ω 1000 Ω Answer Verified 239.4k+ views 1 likes

    Hint Usually, all the leaded resistors with power ratings up to one watt are very tiny and it is very difficult to print the resistance values on them. That’s why bands of different colours are printed on the resistors to identify its value of resistance. These bands of colours are called resistor colour code.

    In the figure given below the codes for different colours is given. For 3 colour bands, the resistance is given by

    R

    =(1st colour digit)(2nd colour digit)

    (3rd colour multiplier)Ω

    R=(1st colour digit)(2nd colour digit)(3rd colour multiplier)Ω

    .

    Complete step by step answer

    A resistor is an electrical component which when connected in a circuit resists the flow of current through it.

    Now let us discuss how colour code is important for the resistors.

    Usually, all the leaded resistors with power ratings up to one watt are very tiny and it is very difficult to print the resistance values on them. That’s why bands of different colours are printed on the resistors to identify its value of resistance. These bands of colours are called resistor colour code.

    In the figure given below the codes for different colours is given.

    As given in the question that the colour code of the resistor is brown, black and brown and for 3 colour bands, the resistance is given by

    R

    =(1st colour digit)(2nd colour digit)

    (3rd colour multiplier)Ω

    R=(1st colour digit)(2nd colour digit)(3rd colour multiplier)Ω

    . The multiplier is the

    10 10

    raised to the power of the digit of that colour.

    From the figure we can say that the colour code brown is

    1 1

    and that for black is

    0 0

    . Then for the resistor with colour code brown, black and brown will be

    10× 10 1 Ω=0.1 kΩ 10×101 Ω=0.1 kΩ .

    Hence, option C is correct.Note To read the resistor colour code, hold the resistor in such a way that the tolerance colour band is on the right most side of the rest of the colour bands. The tolerance band is normally silver or gold in colour. Now, note the colours from left to right side. The band which is just before the tolerance band is called the multiplier band. Now, use the table of colour code to find the value of resistance.

    The number of colour bands usually varies from three to six in a resistor.

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