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Grade 12th passMechanics

What is the source charge and what is the test charge ??

Profile image of Aditya Pathak
8 Years agoGrade 12th pass
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1 Answer

Profile image of NIKHIL GHODKE
ApprovedApproved Tutor Answer8 Years ago
Basically source charge is the charge on which we calculate various things like potential, field or force
and test charge is the charge having sooo neglible charge that it does not affects the field due to  source charge  in any way
 
NOW THE QUESTION ARISES WHY DO WE USE SUCH SMALL CHARGES ?
It is used to calculate parameters of source charge like potential ,field or force by using them in deriving their equations  
simple right
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