InterviewSolution
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InterviewSolution
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Conservatios of charge is the propery by virtue of whichtotal charge of an isolatedsystem always remainsconstant or conserved. For example, whenwe rub two inslatingbodies, A and B, suchthat n electrons fromA transfer to B, then chargeacquiredby A = + ne and chargeacquired byB = -ne, where e is magnitudeof chargeon electron. The net chargeon isolated systemof bodiesA and B =n e -ne - 0, which was the chargebefore rubbing. Thus, itis not possibleto create or destroynet charge carriedby any isolated system. It also imples that chargescan be created or destroyedin equaland unlike pairs only. (i) What is the basic causeof conservationof charge ?(ii) Name any other fundamentalpropertyof electric charge. (iii) At a time, can you createtwo likecharges of magnitudeq =n e each ? (iv) How is the property of conservation of charge reflected in day to day life ? |
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Answer» SOLUTION :(i) As is known, CHARGING is dueto actualtransfer of electrons from one day to the other. Assuming that there is no stay lossloss of electrons number of electrons gainedby one body is equalto number of electrons lost by the other body. This is the basiccause of CONSERVATION of charge. (ii) Another fundamentalof electric charge is'Quantization of charge'. (iii) No, as it is against the conservation of charge. Creationof a charge `+q` is ACCOMPAINED by creations of charge `-q`. (iv)In day to daylife, conservation of charge impliesthat gainof oneis alwaysequal to lossof the other. It also imples that sumtotal of gain in lifeis equalto sumtotal of losses in LIFE infact, the sum total of gainsand losses in lifeis constant. |
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