Physics · Magnetism and Matter
A solenoid has a core of a material with relative permeability 501. The insulated windings carry a current of 2.5 A and have 900 turns per metre. The magnetization M in A/m is:
- 12.25 × 106
- 21.125 × 106 A/m✓
- 32.8 × 106
- 41.125 × 106
Correct answer
1.125 × 106 A/m
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