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The value of the resistance of a carbon ...

The value of the resistance of a carbon resistor having the standard colour - coding as shown in the figure is `n G Omega pm 5%`. What is the value of n ?

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The correct Answer is:
`2.1`
From colr codes for resistors.
`R = 21 xx 10 ^(8) Omega pm 5 % = 2.1 xx 10 ^(9) Omegapm 5 %`
`therefore R =2 . 1 G Omega pm 5 %`
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