introduction

# Five band resistors modern resistors may have ve

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: w (4), violet (7), brown (1) and silver, the nominal resistance is 470 Ω and the tolerance is ±10%. If the third band (band C ) is gold or silver, then the value of the multiplier is 10−1 or 10−2 , respectively. Five-Band Resistors Modern resistors may have ﬁve coloured bands, shown in Fig (8). 1st 2nd 3rd mult tol Figure 8: Five coloured bands are also used to indicate resistance 7 Colour 1st band black brown red orange yellow green blue violet grey white gold silver 0 1 2 3 4 5 6 7 8 9 2nd band 0 1 2 3 4 5 6 7 8 9 3rd band 0 1 2 3 4 5 6 7 8 9 Multiplier Tolerance (D) 0 10 = 1 101 = 10 102 = 100 103 = 1000 104 105 106 107 108 109 0.1 0.01 ±1% ±2% ±0.5% ±0.25% ±0.1 % ±0.05% ±5% ±10% 1. Hold the resistor so that the tolerance band is on the right. Identify the ﬁrst three bands write down the numbers associated with those colours. For example, red, green, white corresponds to 259. 2. The fourth colour band is the multiplier. Black corresponds to ×100 Ω. In practise you...
View Full Document

## This note was uploaded on 02/13/2014 for the course PHYS 2055 taught by Professor Drayethiraj during the Winter '14 term at Memorial University.

Ask a homework question - tutors are online