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What will happen if we supply a voltage of 25V to the Vcc of the RFID Module?

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What will happen if we supply a voltage of 25V to the Vcc of the RFID Module?

(a) Damage is caused

(b) Module will shut down

(c) Module will not respond for the time the voltage is applied

(d) Module will function normally

The question was posed to me in an interview for internship.

The doubt is from RFID Module in division Interfacing of Sensors, Actuators, and Other Modules of Arduino

1 Answer

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Correct choice is (a) Damage is caused

Explanation: The RFID Modules are mostly built to work on a voltage of approximately 3.3V. Any voltage lower than that and the board will not be able to power on, but however any voltage significantly above that and the board may suffer permanent damage.

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