Electricity is an important source of energy in the modern Time's electricity is used in our homes in industry and in transport for example electricity is used in our homes for lightening operating fans and heating purpose in industry electricity is uses to run various types of mechanics and in transport sector electricity is used to pull electric trance in this chapter discuss electric potential electric current electric power and the heating effect of electric current in order to understand electricity we should first know something about the electric charges these are discussed below
If we bring a plastic come near some very tiny pieces of paper it will not have any fact on them if however the comb is first dropped with dry hair and then brought near the Tenney please of paper we find at the comp now near attack the piece of paper towards itself digit observation and explain by saying that in a sit the comb is electrically neutrons for it has no effect on the tiny piece of paper when the comb is dropped with dry hair then it gets electric charge this electrically charged com exams and electric force of on the tiny pieces of paper and similarly a glass road with silk cloth and even night rod rubbed with woolen cloth also require the ability to attract a small piece of paper and set to have electric charge.
In substances that electric charges can flow easily while in other they cannot for all the substances can be divided maintain to electrical conductor is conductor and insulator 200 stands through which electric charge control or curd conductor what the flow of electric charge is called electricity 'so' we can also say that those was stands to through which electricity all the metals like silver copper and Aluminum it is CR conductors the medals him and constant heating element of electrical appliances are also conductor, but the electrical conductivity is muscles in that of pure metal carbon is in the form of graphite is also conductor good conductor through which electric charges cannot flow are called insulator in other word electric because same that some substances are conductor whereas otherwise now explain the reason for the different in their.
Went to Chard bodies add different electric potential are connected by a metal wire than the electric charge will flow from the body higher potential to the one at low potential till they both acquire the temp potential this full of charges in the metal wire constituent and electric potential difference between agents of the wire which makes the electric charge of current flow in the wire will know that the electric current now I like it current is an electric charge in a conductor such a metal charge passing through a given point of the conductor in 1 second if charge with the circuit in which the current is to be measured for example if you want to find out of the current through a conductor then we should connect in series and ammeter should have very low resistance so they, it may not change the value of the current flowing in the circuit
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