A carbon resistor is marked in clour bands of red, black, orange and silver. What is the resistance and tolerence value of the resistor?
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Solution
Resistance=20×103Ω
Tolerencevalue=10percent
The first two rings from left end indicates the first two significant figures of resistance in ohms, the third ring indicates the number of zeros that must be put after two figures, the fourth ring indicates the tolerance value in percentage.