Solution:
When we change red colour to green then first digit changes from 2 to 5, hence new resistance would be 500Ω.
A 200 resistor has a certain color code. if one replaces the red color by green in the code, the new resistance (in ohm) will be:
When we change red colour to green then first digit changes from 2 to 5, hence new resistance would be 500Ω.