Whats Eating Gilbert Grape

MOBILE PHONE


A)
In order for a mobile phone to work, numerous transfers of energy are required.

The features involved in the transformation of energy required in a mobile phone are as follows:
1) Sound waves are transformed into electricity (in transmitters phone)
2) The electricity is transformed into Electro-magnetic Radiation (EMR), which are a form of Radio waves. (Sent from the transmitters phone)
3) From EMR back to Electricity
4) Re-transformed back into EMR
5) EMR to electricity (in receivers phone)
6) Finally from electricity to sound waves (in the receivers phone)

These are the characteri...