Temp. of a torch bulb filament by its resistance measurement with Power Supply a

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Temp. of a torch bulb filament by its resistance measurement with Power Supply a

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This experimental setup is designed to determine the temperature of a torch bulb filament by measuring its electrical resistance at various applied voltages. The setup is based on the principle that the resistance of a metal filament (usually tungsten) increases with temperature, allowing for indirect temperature estimation through V-I characteristics.

The trainer includes:

Torch bulb with metallic filament
Built-in constant regulated (C.R.) power supply
2 digital meters for precise voltage and current measurement
Standard terminals and test points for easy connection

By plotting the resistance versus current data, students can analyze and estimate the filament's temperature using the known temperature coefficient of resistance of tungsten. This model is widely used in physics laboratories to explore concepts of thermal physics, material properties, and electrical heating.

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Temp. of a torch bulb filament by its resistance measurement with Power Supply a

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₹10,000.00