"Electric sonic amplitude" does not appear to refer to a widely recognized term in science or engineering as of my last knowledge update in October 2021. However, it seems to combine concepts from both "electric" and "sonic" fields: 1. **Electric**: This typically relates to electricity or electrical phenomena, such as voltage, current, and electromagnetic fields. 2. **Sonic**: This generally pertains to sound waves and their properties, including frequency, amplitude, and speed.
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