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PCS Exam
wht is divergins of a vector field.......................
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now there are two conditions of divergence 1-it must b zero 2-it must b non-zero(it may b +ve or -ve) *when incoming and outgoing of electric lines of forces is same divergence will b zero n density ll be constant i.e flow of water from pipe *when outgoing increases as compare to incoming it gives +ve divergence.in this case density will decrease....(bcz it may have some fluid or water that was already exsist in pipe thats y outgoing increase) *when outgoing decreases as compare to incoming it gives -ve divergence.in this case density will increase (bcz may b some fluid or water remained in pipe thats y outgoing decrease) if u ve any problem in it ....ask it freely.............
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