tungsten lamp filament has a temperature of 2,050°C and a resistance of 500 when taking ormal working current. Calculate the resistance of the filament when it has a temperature of 5°C. Temperature coefficient at 0° is 0.005/°C. [50]

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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.