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← ScienceWhich 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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