Communication is the process of sending informa tion from one place to another by electric signals. Name the two types of electric signal.

Communication is the process of sending informa tion from one place to another by electric signals. Differentiate these signals, giving one example each

Power stations are centres that generate and distribute large quantities of electricity. Power submission is the process of sending electricity to distant places through wires from the power stations What is the voltage of electricity supplied for domestic consumption ?

The type of communication system needed for a given signal depends on the band of frequencies in the signal. What are the different types of message signals used in a communication systems.

Power stations are centres that generate and distribute large quantities of electricity. Power submission is the process of sending electricity to distant places through wires from the power stations What are the methods to reduce the resistance ?

Power stations are centres that generate and distribute large quantities of electricity. Power submission is the process of sending electricity to distant places through wires from the power stations In which stage of power transmission is the step up transformer used ?