What Is the Difference Between Active and Passive RFID Tags

Multiple Choice

What is the difference between active and passive RFID tags?

A) Active tags have a battery as their own power source and do not need a reader to energize them like passive tags do.
B) Active tags receive energy from the electromagnetic field created by the reader; and passive tags receive energy from a battery.
C) Active tags are faster and less expensive than passive tags.
D) Passive tags are most frequently found in defense or military systems, and active tags are used more frequently in retail.