GKFix MCQ Question

What is the value of electron charge used in the calculation of drift speed?

• A. 1.6 × 10⁻¹⁸ C
• B. 1.6 × 10⁻¹⁹ C
• C. 1.6 × 10⁻²⁰ C
• D. 3.2 × 10⁻¹⁹ C