CIRCUIT DIAGRAM

 

                                                   CIRCUIT DIAGRAM

 

Circuit diagram:--

An electric circuit consists of a cell or a battery , a plug key , electric components and connecting wires.

It is a schematic diagram to draw in which different components of the circuit are represented by the symbols conveniently used. It is also called as electric diagram , elementary diagram, electronic schematic.

Circuit diagram is a graphical representation of a electric circuit. And used for the construction , designs of the circuit and  maintenance of electronics and electrical systems or equipment.

A schematic diagram represents the components and inter-connections of the circuit using the standard symbolic representations.

 

 

Most commonly used electrical components and its symbols are given below:--

(1) An electric cell   :--      

   

                                  

(2) A battery or a combination of cells:--

 

 

 

(3) Plug key or switch (open) :--

 

 

(4) Plug key or switch (closed):--

 

 

 

 

(5) A wire joint :--

 

                                   

 

 

(6) Wire crossing without joining :--

 

 

 

(7) Electric bulb:--

 

 

(8) A resistor of resistance:--

 

 

 

 

(9) A variable resistane or rheostat:--

             

 

 

 

 

 

(10)Ammeter :--

 

 

(11)Voltmeter:--

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