GKFix MCQ Question

What is the approximate value of the elementary charge (e)?

• A. 1.602 x 10⁻¹⁹ C
• B. 8.854 x 10⁻¹² C²/(N·m²)
• C. 9.1 x 10⁻³¹ kg
• D. 6.626 x 10⁻³⁴ J·s