物理 - 2026 进行中

科目: 物理
级别: IV
类别: 大学生
测试题目: 英语
问题示例: A charged particle with charge 2.0 × 10⁻⁶ C is placed in an electric field of strength 3.0 × 10⁴ N/C. What is the magnitude of the electric force on the particle? 0.006 N, 0.060 N, 6.0 N, 60 N