Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← ScienceWhich outcome results when an RFID tag passes near reader?
A)Antenna transmits its unique ID✓
B)Tag resonates creating reverse current
C)Capacitor discharges rapidly to ground
D)Microcontroller begins an automated function
💡 Explanation
Reader emits radio waves which energise tag's antenna via electromagnetic induction; because this increases the tag's voltage, it transmits the tag’s stored ID; rather than store energy or grounding occurring.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Science →- Which failure results when thermal expansion weakens connections between crystal substrates?
- Which mechanism causes reduced photon generation efficiency in silicon LEDs?
- Which outcome occurs when unpolarized light strikes dichroic film?
- Which outcome occurs when thermal energy disrupts silicon crystal structure?
- Which phenomenon limits the maximum data storage density achievable with molecular memory devices?
- Which phenomenon exaggerates gravitational time dilation near blackholes?
