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Electronics - Voltage and Current - Discussion

Discussion Forum : Voltage and Current - General Questions (Q.No. 1)
Voltage and Current
1.
What is the color code for a 220 omega.gif 5% resistor?
Red, Red, Brown, Gold
Orange, Orange, Black, Gold
Red, Red, Black, Gold
Red, Red, Brown, Silver
Answer: Option
Explanation:
Resistor colour coding series:

Black   0 
Brown   1 
Red     2 
Orange  3 
Yellow  4 
Green   5 
Blue    6 
Violet  7  
Gray    8   
White   9 
None    20% 
Silver  10% 
Gold    5% 

Therefore Red, Red, Brown, Gold 
           2    2    101    5% 

 = 22 x 10 = 220 ohm 5% (tolerance).

Video Explanation: https://youtu.be/8YHFQCqBGcA

Discussion:
61 comments Page 7 of 7.
Manju said:   1 decade ago
I agreed
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