MDCAT Physics MCQ #1544

An electron (mass 9.1×10⁻³¹ kg) enters a 2000 N/C electric field. What acceleration does it experience?

MDCAT Physics MCQ #1544

  1. Question 1

    Q1. An electron (mass 9.1×10⁻³¹ kg) enters a 2000 N/C electric field. What acceleration does it experience?

    • A) 3.52×10¹⁴ m/s² (opposite field)
    • B) 3.52×10¹⁴ m/s² (same field)
    • C) 1.76×10¹⁴ m/s² (perpendicular)
    • D) 0 m/s² (no acceleration)

    Answer: 3.52×10¹⁴ m/s² (opposite field)

    Explanation: a = qE/m. Option B forgets electron’s negative charge direction.