MCQs on Resistors Colour Coding

MCQs on Resistors Colour Coding

Resistor is the basic component of Electronics technology almost every PCB contains bunch of resistors. I am providing you Multiple Choice Questions and Answers (MCQs) on resistors color coding to facilitate the students, technicians and teachers of multiple fields throughout the world.


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Resistor Color Code – Definition

Some small cylindrical resistors are required to paint the color bands/rings to define the value/rating because it is difficult to mark the numerical value on the body.


Resistors Colour Coding MCQs


Q1. The Color Coding is used to indicate ________ value/rating of Resistor.

  1. Numerical
  2. Alphabetical
  3. Resistance
  4. a & c are correct

Answer:    a

Q2. The Resistor Color Code was developed by _______________________.

  1. International Organization for Standardization (ISO)
  2. Electronics Industries Alliance (EIA)
  3. Radio Manufacturers Association (RMA)
  4. a & b are correct

Answer:    c

Q3. Recently,  ______________standard Color Coding is used for Resistor’s values. 

  1. World Standardized Corporation (WSC)
  2. Electronics Industries Alliance (EIA)
  3. Radio Manufacturers Association (RMA)
  4. International Organization for Standardization (ISO)

Answer:   b

Q4.  The color code standard was developed in ____________________.

  1. 1890
  2. 1920
  3. 1940
  4. 1900

Answer:   b

Q5.  RCC stands for ____________________.

Answer: Resistors Colour Code


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Q6.  Why is Color Coding used for Resistors ?

  1. Small Size
  2. Cylindrical Shape
  3. Due to Through Hole Component
  4. a & b are correct

Answer:   d

Q7. How many colour bands used on Resistors __________________

  1. 4
  2. 5
  3. 6
  4. 7

Answer:   c

Q8 How to read color bands on Resistors ?

  1. Right to Left
  2. Left to Right
  3. From both sides
  4. All are correct

Answer:   b

Q9 The first two bands on the resistors are _____________________

  1. Two digits
  2. Decimal Multiplier
  3. Tolerance
  4. All are incorrect

Answer:   a

Q10 The tolerance of the Silver band on Resistor is _____________________

  1. 3%
  2. 5%
  3. 10%
  4. 20%

Answer:   c


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Q11 The gold band tolerance on Resistor is _____________________

  1. 3%
  2. 5%
  3. 10%
  4. 20%

Answer:    b

Q12 If there is no band on Resistor then tolerance is _____________________

  1. 3%
  2. 5%
  3. 10%
  4. 20%

Answer:   d

Q13 Which digit is represented by a Green band on a Resistor?

  1. 4
  2. 5
  3. 6
  4. 3

Answer:   b

Q14 The decimal multiplier means, how many ________ add after the first digits.

  1. Zeros
  2. Digits
  3. Tolerance
  4. Resistance

Answer:   a

Q15 What color is a 340 KΩ resistor with 5% tolerance?

  1. Orange, Yellow and Yellow with Gold
  2. Orange, Green and Yellow with Gold
  3. Orange, Blue and Orange with Gold
  4. Orange, Yellow and Green with Gold

Answer:    a


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Q16 A zero-ohm resistor is indicated by a single black color ring around the body of the resistor.                                                                                                                                                               YES / NO

Answer:  Yes

Q17 Why zero ohm resistors are used?

  1. Connect the Tracks
  2. As Jumpers
  3. Increase Machine Production Time
  4. All are correct

Answer:   d

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