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## Main Question or Discussion Point

Hello Everyone

I have a few questions regarding line integrals. First what are they? What is the difference between them and the normal integrals? For eg, The normal integrals can be easily understood by visualizing the area bounded by them, in the same way is there any way as to visualize the line integrals as we perform the integration operation, in lay man's terms?

I found that they are used in Gaussian electric fields, Why are they used here?, I mean why can't we use the normal integral in such problems?

what property of the line integral advocates the use of them in such type of problems?

I had Googled a bit and also referred to old threads on this topic in PF, but couldn't understand.Thats why i'm creating a new thread

I have a few questions regarding line integrals. First what are they? What is the difference between them and the normal integrals? For eg, The normal integrals can be easily understood by visualizing the area bounded by them, in the same way is there any way as to visualize the line integrals as we perform the integration operation, in lay man's terms?

I found that they are used in Gaussian electric fields, Why are they used here?, I mean why can't we use the normal integral in such problems?

what property of the line integral advocates the use of them in such type of problems?

I had Googled a bit and also referred to old threads on this topic in PF, but couldn't understand.Thats why i'm creating a new thread