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  4. The value of the resistance of a carbon resistor has bands of different colours as mentioned in the figure is α G Ω±5 % . Write value of 10 α . <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-tjf8vjobdvyxiuyo.jpg />

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Q. The value of the resistance of a carbon resistor has bands of different colours as mentioned in the figure is $\alpha \,G\,\Omega\pm5\%$ . Write value of $10\,\alpha $ .
Question

NTA AbhyasNTA Abhyas 2022

Solution:

From color codes for resistors.
$R=21\times 10^{8}\Omega\pm5\%=2.1\times 10^{9}\Omega\pm5\%$
$\therefore R=2.1G\Omega\pm5\%$