1. SYMBOLIC REPRESENTATION
INTRODUCTION-
NAME=NITIN KUMAR
CLASS=VII
ROLL.NO.=34
SUBMITED TO=SANJAY SIR

2. ABOUT SYMBOLIC REPRESENTATION
IN DIFFERENT FIELD OF LIFE WE USE TO REPRESENT DIFFERENT ITEMS,ACTIONS OR EVENTS WITH SIMPLE DIGRAM THIS PICTROIAL REPRESENTATION KNOWN AS “SYMBOL”.
SO,SYNBOL MEANS PICTROIAL REPRESENTATION OF THIS.

3. BENFITS OF SYMBOLIC REPRESENTATION
THE PICTORIAL REPRESENTAION CAN BE UNDERSTAND EASILY.
THE SYMBOL CAN BE UNDERSTAND AND LEARNED BY EVEN ILLERATES OR AUNEDUCTED.
THE PICTORIAL REPRESENTATION EMPHASIS OR IMPORTANT ASPECT OF THING.

4. DIGRAM OF DANGER SYMBOL

5. Common electrical terms
SINCE STUDY SEVERL SYMBOLIC DIGRAM ARE USED FOR LEARNING.
WE WILL LEARN SOME BASIC AND COMMON SYMBOLIC DIGRAM USED IN STUDY OF ELECTRICITY.

6. COMMON ELETRICAL SYMBOL
WIRE =THE WIRE IS MOST COMMON THING USED IN ELETRICITY.THE WIRE,MADE OF CONDECTING MATERIALS,PROVIDES PATH FOR FLOW ELETRIC CURRENT.
WIRE JOINT=TO EXPEND PATH OF ELETRICITY A NETWORK OF WIRE IS REQUED,HENCE THE WIRE ARE INTER-CONNECTED FOR LARGER LENGTH.IN ELETRICAL SYMBOLIC DIGRAM THE JINT OF WIRE IS REQURED.

7. SYMBOL OF WIRE

8. OVERLAPPING OF WIRE
IN OVERLAPPING OF WIRE MEANS THAT THE WIRE ARE CROSSING EACH OTHER BUT WIRE ARE NOT INTER-CONNECTED.
IN SOME CASES THE LOOPS WERE USED TO REPRESENT THE OVERLAPPING OF WIRE.

9. DIGRAM OF OVERLAPPING OF WIRE

10. SWITCH
THE SWITCH IS A DIVICE WHICH IS USED TO TAKE ABREAK TO ELECTRICAL CIRCUIT.
THERE DIFFERENT TYPES OF SWITCHS USED IN ELETRIC CIRCUIT.
a) NORMAL ON OF SWITCH