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مواد بر اساس خواص الکتریکی به سه دسته هادیها، نیمههادیها، دیالکتریکها (عایقها) تقسیم میشوند. مادهای بهعنوان دیالکتریک طبقهبندی میشود که توانایی ذخیرهی انرژی را در هنگام وقوع در میدانالکتریکی داشته باشد. برخلاف هادیها که دارای الکترونهای آزاد هستند، دیالکتریکهای ایدهآل دارای بارهای آزاد نیستند و تنها بارهای مقید دارند. الکترونهای...
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یک پیام ارسال کرد