GKFix MCQ Question

What is the peak magnetic field if B_rms = 2 × 10⁻⁸ T?

• A. 2 × 10⁻⁸ T
• B. 2.83 × 10⁻⁸ T
• C. 4 × 10⁻⁸ T
• D. 1.41 × 10⁻⁸ T