Sum
Solve the following problem.
Find the value of resistance for the following colour code.
Blue Green Red Gold
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Solution
Given: Blue - Green - Red - Gold
To find: Value of resistance
Formula: Value of resistance
= (xy × 10z ± T%) Ω
Calculation:
| Colour | Blue (x) |
Green (y) |
Red (z) |
Gold T% |
| Code | 6 | 5 | 2 | ±5 |
From formula,
Value of resistance = (65 × 102 ± 5%) Ω
Value of resistance = 6.5 kΩ ± 5%
Concept: Resistors
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