Question

For a colour coded carbon resistance, initial three bands are red and fourth band is silver. Its resistance is

• A. $222\Omega \pm 10\%$
• B. $2200\Omega \pm 10\%$
• C. $333\Omega \pm 5\%$
• D. $33000\Omega \pm 10\%$

Answer 1

The correct option is B $2200\Omega \pm 10\%$

Red - 2 Silver = $\pm 10\%$
$R=2200\pm 10\%$