Q.

A carbon resistance has the following colour code. What is the value of the resistance?
 


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a

1.64MΩ±5%

b

 530kΩ±5%

c

64kΩ±10%

d

 5.3MΩ±5% 

answer is B.

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Detailed Solution

Concept: The resistor colour table and the fundamental colour combination of the resistor show the tolerance of the resistor, with the first band to the third band solely being represented by the colours black to white and the fourth band by colours like gold, silver, and no colour. Full Step-by-Step response: Find first the colour scheme for the carbon resistance. We must now determine the values of the colour code in order to determine the resistance of the carbon. By using the resistor colour code table, we can determine that in the above colour scheme, G stands for green, O for orange, Y for yellow.
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represents the tolerance of the resistor.
Therefore R=53×104±5% = 530kΩ±5%
Hence, option 2 is correct.
 
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