# What is nominal value and tolerance?

What is nominal value and tolerance? In a production process, a nominal size or an actual size is specified, for an item. However, there can be a slight but accepted deviation. This deviation is referred to as tolerance. Nominal value, in Quality, is specified to provide tolerance limits for a nominal size, accommodating deviations, if any.

How do you determine the value of a resistor?

Why do resistor values differ from nominal values? The actual (measured) resistance will vary from the nominal value due to subtle mechanical and chemical differences that occur during manufacturing. The manufacturer specifies the maximum deviation from the nominal value as a ±percentage. This range of deviation is called the tolerance of the resistor family.

What is the nominal value of the resistance of a carbon resistor that has a color code red red orange gold? Thus resistance value is 22×103±5% Ω.

## What is nominal value and tolerance? – Additional Questions

### How do you find the nominal resistance of a resistor?

Nominal resistance is determined by the common ratio shown right. Resistance coding Nominal resistance is expressed in 3 digits when the resistance tolerance is ±5% and in 4 digits when ±1%. The leading 2 or 3 digits indicate significant figure while the last digit indicates the number of zeros.

### What is the nominal resistance of a resistor with color code brown green Blacksilver?

Brown-Green-Grey-Silver-Red Color Code

A resistor colored Brown-Green-Grey-Silver-Red would be 1.58 Ω with a tolerance of +/- 2%.

### What is Red Red Red Gold in resistor Colour coding?

The starting two colours represent the value. Red = 2, Red = 2. Total resistance is: R = 22 × 100 ± 5% R = 2.2 K ± 5%

### What is the resistance of a resistor with Colour code orange yellow red gold?

Red, orange, yellow, and gold equals a 230Kohm, +/-5% resistor. The resistance range is 23Kohms: 10% of 230K, or from 218.5K to 241.5K.

### What is the resistance of carbon resistor with Colour and brown orange red and gold?

Thus value of resistance, R=(10×101)Ω±2% =100Ω±2%

### What is resistor color code?

The colour code used to denote the tolerance rating of a resistor is given as: Brown = 1%, Red = 2%, Gold = 5%, Silver = 10 % If resistor has no fourth tolerance band then the default tolerance would be at 20%.

### How do you determine resistor color code?

The resistor colour codes can be remembered with the help of mnemonic device “BB ROY of Great Britain had a Very Good Wife,” the capital letters represent the first letters of the colours and their positions the digit values.

### How do you calculate resistor color code?

The formula for the three-band resistor color code is – 1st digit. 2nd digit. third digit x Multiplier = 1.0. 3 X100 = 10.3-kilo ohm ±5% 100 ppm/oc.

### What color is a 10 ohm resistor?

10 Ohm Resistor Color Code: Brown, Black, Black, Golden. Resistance: 10 Ohm, Power Rating: 0.5 Watt, Approximate Maximum Current: 224mA .

### How do you read a color code?

Hex color codes start with a pound sign or hashtag (#) and are followed by six letters and/or numbers. The first two letters/numbers refer to red, the next two refer to green, and the last two refer to blue. The color values are defined in values between 00 and FF (instead of from 0 to 255 in RGB). 