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Current Electricity

Question
CBSEENPH12037556

On a given resistor, the colour bands are in the sequence; green violet and red. What is its resistance?

Solution
Color code is as given below:
green:  5, violet : 7 and red : 2. 
The first two bands represent the significant numbers whereas the third band gives us the decimal multiplier.
Therefore,
Resistance is given by R = 57 ×  102 ± 20 % .

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