Colour Code for Resistors

IMPORTANT

Colour Code for Resistors: Overview

This topic covers concepts, such as Colour Code of Carbon Resistor, and Tolerance of Carbon Resistors.

Important Questions on Colour Code for Resistors

EASY
IMPORTANT

In given diagram value of carbon resistor is 22×105 Ω ± 5%. Write colour of the first ring A.

Question Image

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

In a carbon resistance, there are 4 rings in the order blue, yellow, red and silver. The resistance of the resistor will be-

MEDIUM
IMPORTANT

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

Question Image

EASY
IMPORTANT

Cotyledons are also called-

EASY
IMPORTANT

A resistor with resistance of 200 Ω has one of its colours as red. If that colour is changed to green, then what will be the new resistance?

MEDIUM
IMPORTANT

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

Question Image

EASY
IMPORTANT

A carbon resistor of power 2 W has resistance according to color codes Green, Black, Red and Silver. Then maximum current through resistor is

MEDIUM
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

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

EASY
IMPORTANT

Corresponding to the resistance 4.7×106 Ω ±5 % which is order of colour coding on carbon resistors?

EASY
IMPORTANT

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

EASY
IMPORTANT

A given carbon resistor has the following colour code of the various strips: orange, red, yellow and gold. The value of resistance in ohm is

HARD
IMPORTANT

If 400 Ω of resistance is made by adding four 100 Ω resistance of tolerance 5%, then the tolerance of the combination is

EASY
IMPORTANT

A resistor has a colour code of green, blue, brown and silver. What is its resistance.

EASY
IMPORTANT

The tolerance level of a resistor with the colour code red, blue, orange, gold is

EASY
IMPORTANT

The tolerance level of a resistor with the colour code red, blue, orange and gold is