Question

what is mean by solenoid carrying current​

Answer 1

Explanation:

Railways can transport larger number of goods and passengers over long distances at an economical cost. Hence, railways are the most convenient means of transport in the vast northern plains of India.

The flat terrain, dense population, rich agricultural resources and greater industrial activity have favoured the development of railways in this region.

The northern plains, therefore, have the densest railway network.

Railways have accelerated the development of

Answer 2

IN SHORT ,

1. IT IS USED IN RAWILWAY LINE WHERENEVER THE RAWILWAY LINE IS CRACKED IT HELP TO JOIN IT