Across
- 3. (振膜)The vibrating part of a loudspeaker that produces sound.
- 7. (力) A push or pull caused by interaction (e.g., motor effect).
- 9. (交流电)Alternating current (changes direction periodically).
- 10. (反转)To change direction (e.g., current reverses force direction).
- 11. (材料)Substance used to make objects (e.g., copper wire).
- 13. (向前)Movement forward (e.g., coil moves back and forth).
- 14. (旋转)Circular motion (e.g., motor spins).
- 16. (磁场)The area where magnetic forces act.
- 17. (振动)Rapid back-and-forth movement (e.g., loudspeaker cone).
- 18. (磁性的)Having properties of a magnet.
- 20. (线圈)A wound wire that creates a magnetic field when current passes.
Down
- 1. (电流)The flow of electric charge (AC/DC).
- 2. (铜)A conductive metal used in wires.
- 4. (方向)The path of movement or force.
- 5. (偏转)Changed direction (e.g., compass needle near a current).
- 6. (更强的)More powerful (e.g., stronger magnet).
- 8. (指南针)A device that shows direction using Earth’s magnetic field.
- 11. (电动机)A device that converts electrical energy to motion.
- 12. (螺线管A coiled wire that acts as a magnet when current flows.
- 15. (增加)To make larger (e.g., current increases magnetic strength).
- 19. (指针)A thin pointer (e.g., in a compass).