The resistance of a coil of copper wire is 3.35 2 at 0°C. What is its resistance at 50°C. For copper a =4.3×103 C'. * N 450

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A: a0.529 n2ZA°=0.01×10-3 m0.529×n21 10-10=0.01×10-3 mn2=0.01×1070.529n=434.78≅435

Type of Magnetic Material

Every material has a unique composition that defines its magnetic behavior. Some materials get attracted towards a magnet and are called magnetic materials. Based on the magnetic properties held by each material, they are classified into different types.