GKFix MCQ Question

What is the value of the horizontal component of Earth’s magnetic field used in Example 6.3?

• A. 2.0 × 10⁻⁵ T
• B. 3.0 × 10⁻⁵ T
• C. 4.0 × 10⁻⁵ T
• D. 5.0 × 10⁻⁵ T