แบบทดสอบฉบับนี้ เป็นแบบทดสอบเก็บคะแนน วิชาฟิสิกส๋ รหัสวิชา ว30204ชั้นมัธยมศึกษาปีที่ 6 เรื่อง ประจุไฟฟ้า, กฏการอนุรักษ์ประจุไฟฟ้า, ตัวนำและฉนวน, การเหนี่ยวนำ

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