APPSC Group-I 2023 · Question 180 of 233

With reference to RFID Technology, consider the following statements : I. Passive RFID tags are powered by an internal circuit and utilize it to send responses to the reader. II. Semi-passive RFID tags comprise an internal circuit with power source but rely on radio waves received from the reader to transmit the response. III. Active RFID tags acquire their power from the readers’ incoming radio waves. IV. RFID Technology can scan a tag as long as it is within frequency range and it does not have any line-of-sight limitations. Which of the statements given above are correct?

Science and Technology

1. AI, II and III only
2. BI, III and IV only
3. CII and IV onlyCorrect
4. DIII and IV only