Electrical Engineering - Ohm's Law - Discussion

(Color) 1st and 2nd Significant Multiplier

B - black - 0 1 1
B - boys - 1 10 10
R - rape - 2 100 100
O - our - 3 1000 1K
Y - young - 4 10000 10K
G - girl - 5 100000 100K
B - but - 6 1000000 1M
V - violeta - 7 10000000 10M
G - give - 8 100000000 100M
W - willingly - 9 1000000000 1T
Silver- - - - - 10% <---- Tolerance
Gold- - - - - - 20% <---- Tolerance

Remember the coding
B B R O Y G B V G W _ For short cut BBROY GREAT BRITAN VERY GOOD WIFE
0 1 2 3 4 5 6 7 8 9

B-Black-0
B-Brown-1
R-Red- 2
O-Orange-3
Y-Yellow-4
G-green-5
B-Blue- 6
V-Violet-7
G-Green-8
W-White-9
Silver--- 10%
Gold --- 20%


For Example He given blue, red,green ,gold
then solution to resistor becomes
Blue -6
Red-- 2
green-8
gold 20%

First write two colour codes side to side
then for third color code it will be power of 10
then for 20%(if gold) multiply it with 20/100

62*(10^8)*(20/100)

in this example R=1240000000



For Above problem

23*(10^3)*(10/100)
R =2300

B-Black 0 10^0
B-Brown 1 10^1
R-Red 2 10^2
O-Orange 3 10^3
Y-Yellow 4 10^4
G-green 5 10^5
B-Blue 6 10^6
V-Violet 7 10^7
G-Green 8 10^8
W-White 9 10^9
Silver 10% _
Gold 20% _

For colour coding, just consider first 3 colours alone. In this problem they given red, orange, orange and silver. You take first 3 colours r,o,o. Take first 2 colours.
For red - 2.
For orange - 3.
For 3rd colour take 10^x. For our problem orange has given..
So Orange - 10^3.
So Find R = 23*10^3.

V = 50.
I = V/R = 50/(23*10^3) = 0.002173A = 2.2mA.

Answer = 2.2mA.

Colour code is like BBROYGBVGW.

We used say as: BB Roy Great Britain Very Good Wife

Black---> 0 1 1
Brown---> 1 1 1 10
Red ---> 2 2 2 100
Orange -->3 3 3 1,000
Yellow---> 4 4 4 10,000
Green---> 5 5 5 100,000
Blue ---> 6 6 6 1,000,000
Violet---> 7 7 10,000,000
Gray ---> 8 8 100,000,000
White --->9 9 1,000,000,000
None--->20%
Silver--->10%
Gold--->5%

SO RED is 2 orange 3 and third orange 10 to the power of that value so 10000.

So R = 23000.
as we know that v = IR.
I = V/R.
= 50/23000,
= 2.2mA.

Colour code is like BBROYGBVGW

We used say as: BB Roy Great Britain Very Good Wife

Black 0 1 1
Brown 1 1 1 10
Red 2 2 2 100
Orange 3 3 3 1,000
Yellow 4 4 4 10,000
Green 5 5 5 100,000
Blue 6 6 6 1,000,000
Violet 7 7 10,000,000
Gray 8 8 100,000,000
White 9 9 1,000,000,000
None 20%
Silver 10%
Gold 5%

SO RED is 2 orange 3 and third orange 10 to the power of that vlaue so 10000

so R=23000
I=V/R
=50/23000
=2.2mA

Givent that data:
voltage source=50 V
we have to find out the resistance value:
according to COLOR CODING FOR RESISTORS
B B R O Y G B V G W
=> VALUES ARE 0 1 2 3 4 5 6 7 8 9
=> first 2 values are same but 3rd valus is multiple of 10 and lost word specifies the tolerance value.
i.e R=red orange orange silver(10%)
2 3 3
so, R=23*10^3
=> I=V/R
=50/23*10^3
=2.17mA
=2.2mA

In resistor the first color mean the value first digit that
Red - 2
Orange also mean the value,
Orange - 3
but that next on Orange mean the power of 10
Orange - 10^3
that color code silver mean that with stand power of resistor +/- 10%.
u can take another one Example like
"brown Red Yellow silver" mean the resistor value is
Brown - 1
Red - 2
Yellow - 10^4
silver - +/- 10%
the Resistor value = 120 kilo ohms.

"BBROY of Great Britain had a Very Good Wife with Gold and Silver"

Black 0
Brown 1
Red 2
Orange 3
Yellow 4
Green 5
Blue 6
Violet 7
Grey 8
White 9

First color = digit
Second color=digit
Third color= power of ten
Fourth colour =tolerance
Tolerance values are :
Brown 1
Red 2
Orange 3
Yellow 4
Gold 5
Silver 10
None 20

Keep this as "BBROY went to Great Britain to get Very Good Wife with Gold and Silver".

Resistor values can be known by the colour band.
0 black
1 blue
2 red
3 orange
4 yellow
5 green
6 blue
7 violet
8 grey
9 white

The resistor value is given by 1st 3 bands.
Start from left most band, 3rd value is a power of 10.

Ans: red(2), orange(3), orange(10^3).
So, the value becomes 23 * 10^3.

Color code:
"Bad Boys Race Our Young Girls But Violet Generally Wins".

Black 0.
Brown 1.
Red 2.
Orange 3.
Yellow 4.
Green 5.
Blue 6.
Violet 7.
Grey 8.
White 9.

Tolerances,
~ no color = +/- 20%.
~ Silver = +/- 10%.
~ Gold = +/- 5%.

Is this not correct? Some of you have Gold at 20% and that is incorrect from my understanding.