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  4. A resistor has bands with colours orange, green, silver and gold. Then the resistance of the resistor is

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Q. A resistor has bands with colours orange, green, silver and gold. Then the resistance of the resistor is

AP EAMCETAP EAMCET 2018

Solution:

image
Given, orange $=3$,
Green $=5$
Silver $=10^{-2}$
Gold (tolerance) $=\pm 5 \%$
From colour code, resistance value is
$\left[35 \times 10^{-2} \pm 5 \%\right]$
$=350 \times 10^{-3} \pm 5 \%$ ohms
$=350\, m -\Omega \pm 17.5\, m -\Omega$