Question

explain these line wires above and track below​

Answer 1

Answer:

An overhead line or overhead wire is used to transmit electrical energy to electric trains, ... An overhead line consists of one or more wires (or rails, particularly in ... a catenary curve, thus the use of "catenary" to describe this wire or sometimes the ... As the pantograph moves along under the contact wire, the carbon insert on ...

Explanation: hopes this helps