Question

4. What is amplification? Why is it necessary to amplify a signal before
transmission ?​

Answer 1

Explanation:

Amplification :

Amplification is the way toward adding capacity to the current sign or wave without contorting the sign or wave shape. The force can be either included by a voltage enhancement or current intensification or both synchronous.  

Most electronic gadgets use intensifiers to give different measures of sign enhancement. Since most signals are initially too little to even consider controlling or drive the ideal gadget, some intensification is required

Learn more

https://brainly.in/question/14753070

https://brainly.in/question/4697732