from where i'll get the maximum content on rfid(radio frquency identification)?

Question

rfid
1)how it works
2)technical part
3)where it is used currently

Answer 1

There are two different type of RFID's. Passive Tag RFID and Active Tag RFID.

An RFID tag is an object that can be attached to or incorporated into a product, animal, or person for the purpose of identification using radio waves. Chip-based RFID tags contain silicon chips and antennas. Passive tags require no internal power source, whereas active tags require a power source.

Current uses
Passports
Transport payments
Product tracking
Automotive
Animal identification
RFID in inventory systems
Human implants
RFID in libraries

Potential uses
Replacing barcodes
Telemetry
Patient identification

Check Wikipedia http://en.wikipedia.org/wiki/RFID#Passive

Answer 2

Try starting at this one, seems to be farily complete.
http://www.aimglobal.org/technologies/rfid/