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Which outcome occurs when a piezoelectric sensor accumulates charge?

A)Voltage increases across electrodes
B)Current flows at fixed voltage
C)Temperature gradient starts forming
D)Capacitance decreases significantly

💡 Explanation

As the piezoelectric material strains due to pressure variations, charge accumulates, thereby increasing the potential difference, measured by the **capacitance** of the arrangement, because charge accumulates on the plates of device. Therefore, the voltage will increase rather than alternatives like changes in thermal gradients.

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