Colour Code for Resistors
Colour Code for Resistors: Overview
This topic covers concepts, such as Colour Code of Carbon Resistor and Tolerance of Carbon Resistor.
Important Questions on Colour Code for Resistors
The three colours in a carbon resistor are red, black and orange. If the fourth colour is absent, then the value of tolerance of the resistor is

The colour code of resistor is brown, violet, yellow and gold. Then the value of the resistance is

From the given figure what should be the magnitude of carbon resistor?

A carbon resistor of is to be marked with rings of different colours for identification. The colour code sequence will be,

In given diagram value of carbon resistor is . Write colour of the first ring A.

The colour code of a resistance is given below
The values of resistance and tolerance, respectively, are

In a carbon resistance, there are rings in the order blue, yellow, red and silver. The resistance of the resistor will be-

From the given figure what should be the magnitude of carbon resistor?

Find the colour code for one kilo ohm resistor having tolerance .


A resistor with resistance of has one of its colours as red. If that colour is changed to green, then what will be the new resistance?

In the figure a carbon resistor has bands of different colours on its body as mentioned in the figure. The value of the resistance is

A carbon resistor of power has resistance according to color codes Green, Black, Red and Silver. Then maximum current through resistor is

Resistor is coloured as green - orange - yellow - gold, its resistance will be

If the last band on the carbon resistor is absent, then the tolerance is

Brown, Red and Orange coloured bands on a Carbon resistor are followed by silver band. The value of resistor is ________

A carbon resistor is marked with the rings coloured brown, black, green and gold. The net resistance (in ) is

A carbon resistor is marked with the rings coloured brown, black, green and gold. The resistance (in ) is

Corresponding to the resistance which is order of colour coding on carbon resistors?

A given resistor has the following colour scheme of the various strips on it, brown, black, green and silver. Its value in ohm is
