Skip to content / Đến nội dung
ThichHocToan.com

PIMSO 2025 - Science - Secondary 1 - National Round Question 18

PIMSO Science · PIMSO 2025 - Science - Secondary 1 - National Round

Question 18

Which of the following would NOT cause an electron to accelerate?
  1. Placing it in a constant electric field
  2. Placing it in a gap with potential energy difference
  3. Placing a point charge of opposite charge near it
  4. Placing it in a magnetic field parallel to the direction of motion