Colour coding uses an 1. code that indicates the values of electronic components. For 2. , the first two bands are digits, the third is the 3. and the fourth indicates tolerance. For capacitors, the bands indicate 4. in pF: the first two bands are digits, the third band is the multiplier, the fourth band is the 5. and, when present, the fifth band is the 6. . For 7. , the bands indicate inductance in µH. The first two bands are the digits as well, the third one is the multiplier and the fourth one is the tolerance. If there are only three 8. , the tolerance is ±20%.
14. Watch the video and complete the sentences with a short phrase.
1. Coloured bands on resistors make it possible to . 2. To be more efficient in decoding colour values, you should memorise . 3. Resistor bands are read starting from the end . 4. The reading direction is indicated by a space . 5. The first resistor shown in the video has a resistance value of . 6. A gold band represents a tolerance of . 7. If the third band is silver, we two numbers by .01. 8. To indicate a tolerance of ±10%, the fourth band needs to .
15.1 Put the sequence of colour bands in the correct order (from the first band to the tolerance band) to represent this resistor value: 290 Ω, tolerance ±0.5%.
15.2 Put the sequence of colour bands in the correct order (from the first band to the tolerance band) to represent this resistor value: 40 MΩ, tolerance ±0.25%.
15.3 Put the sequence of colour bands in the correct order (from the first band to the tolerance band) to represent this resistor value: 670 kΩ, tolerance ±10%.
15.4 Put the sequence of colour bands in the correct order (from the first band to the tolerance band) to represent this resistor value: 35 kΩ, tolerance ±5%.
15.5 Put the sequence of colour bands in the correct order (from the first band to the tolerance band) to represent this resistor value: 100 Ω, tolerance ±0.1%.
15.6 Put the sequence of colour bands in the correct order (from the first band to the tolerance band) to represent this resistor value: 16 MΩ, tolerance ±0.1%.
15.7 Put the sequence of colour bands in the correct order (from the first band to the tolerance band) to represent this resistor value: 300 Ω, tolerance ±5%.
15.8 Put the sequence of colour bands in the correct order (from the first band to the tolerance band) to represent this resistor value: 20 kΩ, tolerance ±2%.