Why can't an object of abstract class be created?

Question

Here is a scenario in my mind and I have googled, Binged it a lot but got the answer like

\"Abstract class has not implemented method so, we cant create the object\

Answer 1

Here is a similar StackOverflow question. In short, it is legal to have a public constructor on an abstract class. Some tools will warn you that this makes no sense.

Whats the utility of public constructors in abstract classes in C#?