Question

what is the definition of cross section is it surface or region?

Answer 1

Cross section is a surface formed when we cut something horizontally (perpendicular to the axis)
The term cross section is widely used in biology subject when we need to study the organisms organs , etc

Hope this helped u :-)

Answer 2

A cross section is the two-dimensional area you would get by cutting through the a conductor with a plane.

For eg., a cylindrical conductor, if cut the normal way, has a circular cross section...

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