The colour code for a resistance of 22   Ω ± 5 % is _____

The colour code for a resistance of 22 Ω±5% is _____
  1. Brown - brown - black - gold
  2. red - red - brown - silver
  3. red - red - black - gold
  4. red - red - orange - silver

Solution

Resistor Colour Coding uses coloured bands to quickly identify a resistors resistive value and its percentage of tolerance with the physical size of the resistor indicating its wattage rating. 

Resistance =22 Ω±5%

From colour code 

22×100±5%→ red, red - black, gold

Asked in: AP EAMCET 2020 (23 Sep Shift 1)

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