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What will happen if we supply a voltage of 250 kV to the Vcc of the Relay (Dual Channel) module?

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What will happen if we supply a voltage of 250 kV to the Vcc of the Relay (Dual Channel) 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

I got this question in homework.

The question is from Relay (Dual Channel) Module in portion Interfacing of Sensors, Actuators, and Other Modules of Arduino

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Best answer
The correct choice is (a) Damage is caused

The best explanation: The Relay modules  are mostly built to work on a voltage range of approximately 3.3V to 5V. Any voltage lower than that and the sensor will not be able to power on, but however any voltage significantly above that and the sensor may suffer permanent damage.

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