What Is the Force on a Proton Sitting Midway Between

question 56

Multiple Choice

What is the force on a proton sitting midway between a pair of parallel conducting plates that are at potentials of −17 V and 55 V, respectively? Their separation distance is 1.5 cm.

• A) 1.5 × 10⁻¹⁵ N
• B) 1.5 × 10⁻¹⁶ N
• C) 7.7 × 10⁻¹⁶ N
• D) 3.8 × 10⁻¹⁶ N
• E) 3.0 × 10⁻¹⁶ N