A bar magnet with original m = 2.0 A m² is cut transversely into two equal parts. What is m of each part?
Given: A bar magnet with original m = 2.0 A m² is cut transversely into two equal parts. What is m of each part? Formula: Given: m = 2.0 A m². Substitution & Calculation: When cut transversely, each part has half the original magnetic moment. . Each part: m' = 2.0/2 = 1.0 A m² . Final Result: The computed value matches expected outcome and confirms correct choice as per latest NCERT 2026-27.
Ref: NCERT Physics Textbook - Latest Edition for Academic Session 2026-27 (Rationalized Textbook for Class XI and XII, continuing as per NCERT advisory for 2026-27), Chapter: Magnetism and Matter (Latest NCERT 2026-27), Topic: Magnetic dipole moment, bar magnet cut transversely, moment halves m' = m/2. The section explains governing laws, formulas like μ₀ = 4π × 10⁻⁷ T·m/A, SI units and illustrative examples. Page.