Physics · Electronics and Materials
निम्नलिखित में से कौन सा पदार्थ यांत्रिक प्रभाव या प्रतिबल (mechanical stress) के अधीन होने पर विद्युत उत्पन्न करता है?
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दाब-विद्युत क्रिस्टल (पिजोइलेक्ट्रिक क्रिस्टल)
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