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The ETB-190 trainer is a practical laboratory apparatus designed to experimentally verify Stefan’s Law of Radiation, which states that the power radiated by a black body is proportional to the fourth power of its absolute temperature (P ∝ T⁴). In this setup, an incandescent lamp acts as the radiating body, and its filament's resistance is used to estimate temperature changes as current flows. Key features:
This trainer allows students to correlate electrical power input with filament temperature and verify Stefan-Boltzmann Law through calculated data. It is ideal for physics laboratories and courses involving thermal radiation, black body concepts, and electrical heating. |
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