W.E. PROJECT WORK

MADE BY :–DEV YADAV

AND SUDHANSHU

BANOTIYA

TOPICS :– COLOUR CODING OF RESISTERS AND GLASS PAINTING.

COLOUR CODING OF RESISTORS

S.NO. NAME OF COLOUR DIGITS MULTIPLIER TOLLERANCE

1 BLACK 0 100 = 1 ------------------

2 BROWN 1 101 ------------------

3 RED 2 102 ------------------

4 ORANGE 3 103 ------------------

5 YELLOW 4 104 ------------------

6 GREEN 5 105 ------------------

7 BLUE 6 106 ------------------

8 VIOLET 7 107 ------------------

9 GREY 8 108 ------------------

10 WHITE 9 109 ------------------

11 GOLD --------- 10-1 5%

12 SILVER --------- 10-2 10%

13 NO BAND --------- --------------------- 20%

BASIC FORMULAE

1. TO FIND THE RESISTANCE

2. TO FIND THE RANGE

DIGIT DIGIT * MULTIPLIER

RESISTANCE RESISTANCE TOLLERANCE

FIND THE VALUE OF RESISTANCE AND RANGE

I II III IV

RED YELLOW RED SILVER

RESISTANCE : DD*M = 24*100 = 2400 ohm.RANGE = R RT = 2400 2400*10/100 = 2160 ohm to 2640 ohm.

FIND THE COLOUR BANDS

1. 42*103

DD*MYELLOW,RED,ORANGE

TRY THESE

1. FIND THE VALUE OF RESISTANCE AND RANGE

I II III

BLUE GREEN BLACK

2. FIND THE COLOUR BAND

0.78

GLASS PAINTING

1. FIRST TAKE A GLASS.

2. THEN DRAW OUTLINES OF THE SKETCH ON THE GLASS.

3. THEN COLOUR IN THE OUTLINES OF THE SKETCH.

4. THEN FIX A ALUMINIUM FOIL BEHIND THE GLASS.

NOW YOUR GLASS PAINTING IS READY.

THANK YOU.