Why 0! = 1 | Mind Blowing Math Concept

Why did Maxwell introduce the concept of displacement current in his theory?

Why did Maxwell introduce the concept of displacement current? Explain.

The ratio of the work done in blowing the soap bubbles of radii in the ratio 1 :2 is ,

Discuss the concept of stock and flow. Why is national income a flow concept ?

If points (a,0),(0,b) and (x,y) are collinear, using the concept of slope prove that (x)/(a)+(y)/(b)=1

Which one of the following concepts explains why heavy nuclei do not follow the N=Z line (or trend) shown in the figure?

Why does a flag flutter, when strong winds are blowing on a certain day?