1. Designed by Emilius K.

2.  A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.passivetwo-terminalelectrical componentelectrical resistance  The current through a resistor is in direct proportion to the voltage across the resistor's terminals.currentdirect proportion voltage  Practical resistors can be made of various compounds and films.  The ohm (symbol: Ω) is the SI unit of electrical resistance, named after Georg Simon Ohm.ohmΩSIelectrical resistanceGeorg Simon Ohm  Two typical symbols are as follows :

5. Band 1Band 2Band 3Band 4 Color1st digit2nd digit multipliertolerance Black01 Brown1110 Red22100 Orange331000 Yellow4410,000 Green55100,000 Blue661,000,000 Violet7710,000,000 Gray88100,000,000 White991,000,000,000 Goldx 0,15 % Silverx 0,0110 %

6. The image below is a 30,000 ohm 5% resistor.

7.  For example, 3000 ohm 5 % means  5/100 x 3000 = 150 ohm, so  3000 ohm ± 150 ohm, equals to  Max value of Resistor is 3150 ohm, and  Min value of Resistor is 2850 ohm.

8.  1. What is the color for a 300 ohm 5 % ?  1. Orange, Black, Brown, Gold  2. What is the color for a 430 ohm 10 % ?  2. Yellow, Orange, Brown, Silver  3. What is the color for a 1 K ohm 10 % ?  3. Brown, Black, Red, Silver

9.  1. What is the number of red, red, red, silver ?  1. 2200 ohm 10 %  2. What is the number of yellow, red, orange, gold ?  2. 42,000 ohm 5 %  3. What is the number of gray, white, yellow, gold ?  3. 890,000 ohm 5 %

10.  1. What is the color code for 2 K ohm 5 % ?  2. What is the color code for 670 ohm 10 % ?  3. What is the color code for 1500 ohm 10 % ?  4. What is the number of blue, red, red, silver ?  5. What is the number of blue, yellow, black, silver ?  6. Find the tolerance for no. 1 – 5 !

11.  1. Red, Black, Red, Gold  2. Blue, Violet, Brown, Silver  3. Brown, Green, Red, Silver  4. 6200 ohm 10 %  5. 64 ohm 10 %  6.1. 1900 – 2100  6.2. 603 – 737  6.3. 1350 – 1650  6.4. 5580 – 6820  6.5. 57.6 – 70.4 