选择 2026 Jun P4 Q8 7 分 21.2 Rectification and smoothing21.1 Characteristics of alternating currents 查看题目与答案
选择 2026 Jun P4 Q1 10 分 13.4 Gravitational potential13.2 Gravitational force between point masses 查看题目与答案
选择 2026 Jun P4 Q2 24 分 4.2 Kinematics of motion in a straight line4.4 Newton's laws of motion 查看题目与答案
选择 2026 Jun P4 Q4 9 分 18.4 Electric field of a point charge18.1 Electric fields and field lines 查看题目与答案
选择 2026 Jun P4 Q4 63 分 4.2 Kinematics of motion in a straight line4.4 Newton's laws of motion 查看题目与答案
选择 2026 Jun P4 Q5 10 分 4.4 Newton's laws of motion4.2 Kinematics of motion in a straight line 查看题目与答案
选择 2026 Jun P4 Q7 8 分 21.2 Rectification and smoothing21.1 Characteristics of alternating currents 查看题目与答案