Electronics - Voltage and Current - Discussion

Discussion Forum : Voltage and Current - General Questions (Q.No. 1)
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 2 of 7.

Kalaiyarasan said:   1 decade ago
BB Roy Good Bowling Very Good Wicket

Abhisek said:   1 decade ago
Why there brown colour is write. In place of zero? why not black? please any one help me to understand.

Vasanthi said:   1 decade ago
I to have same doubt regarding brown colour why we place brown colour for zero please some one help me.

Mahantesh said:   1 decade ago
Ya I agree neha pandey that is the nice trick to remember.

Rahul said:   1 decade ago
Ya I agree neha pandey and anand that is nice trick to remember.

Avinash said:   1 decade ago
Why we take brown as 10^1?

MONIKA said:   1 decade ago
We take brown as 10^1, because we take this according to colour coding. In colour coding brown is 10^1. This is correct.

Sandeep said:   1 decade ago
220
0 is for Black then why Brown is taken ?
I think the answer should be Red Red Black

Please clarify me...

Karthi said:   1 decade ago
The zeros should be in 10 th power(^)
10^1=10(multiplied with 22)
the 1 denotes brown here

Manoj mittal said:   1 decade ago
Which material we use for regiter construction ?


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