9AEI105.5 TO 6 1 1 Department Of Technical Education Andhra Pradesh Name : P.S.R. Muralidhar Designation : Sr. Lecturer in ECE Branch : Electronics & Comm. Engineering Institute : G.M.R. Polytechnic, Gajwel Semester : I Year Subject : Basic Electronics Sub. Code : AEI-105 Topic : Resistors Duration : 100mts Sub Topic : color Coding of Resistors Teaching aids : Diagrams, animations Revised by : N.Venkateswerlu Lecturer in ECE
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9AEI105.5 TO 6 1 1
Department Of Technical Education Andhra Pradesh
Name : P.S.R. Muralidhar Designation : Sr. Lecturer in ECE Branch : Electronics & Comm. EngineeringInstitute : G.M.R. Polytechnic, GajwelSemester : I YearSubject : Basic Electronics Sub. Code : AEI-105 Topic : ResistorsDuration : 100mtsSub Topic : color Coding of ResistorsTeaching aids : Diagrams, animationsRevised by : N.Venkateswerlu Lecturer in ECE
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Objectives
On completion of this class you would be able to know
• The color coding of Resistors
• How to compute the value of Resistance using the
color code
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Color Coding of Resistors
How the Resistance value is indicated on the Resistors?
• By printing its value on the body (for large size Resistors)
• By indicating its value with a color code (usual case)
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Color Coding of Resistors
What is color Coding of Resistors?
• A process through which different color bands or
rings are used to indicate the value of Resistance
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Color Coding of Resistors
What these colors indicate?
• They indicate Resistance value and also
Tolerance value
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How many color bands appear?
• Usually 3 to 4 color bands are printed on the body with
each color having a value
• They appear differently on axial and radial Resistors