NEET-XII-Physics
neet 2020 questions with solutions year:2020
- #29The color code of a resistance is given below :
The values of resistance and tolerance, respectively, are :
(A)470 `` k\Omega,5\% ``
(B)47 `` k\Omega,10\% ``
(C)4.7 `` k\Omega,5\% ``
(D)470 `` \Omega,5\% ``
digAnsr: DAns : From colour coding information for electric resistances, we have
`` \begin{matrix}{\text{Yellow}}&{\text{Violet}}&{\text{Brown}}&{\text{Gold}}\\ 4&7&1&5\%\end{matrix} ``
So, `` R=47 \times 10^{1} \pm\,5\% ``
`` R=470\,\Omega\,\pm\,5\% ``