The ETB-183 trainer is designed for experimental determination of the internal resistance of a D.C. power source. By applying the concept of terminal voltage and load current variation, students can analyze how the internal resistance affects the power source’s performance.
This setup helps learners understand voltage drop under load, open-circuit vs. loaded condition, and apply Ohm’s Law to determine internal resistance.
Key Features:
Includes built-in constant regulated (C.R.) D.C. power supply
Two digital meters to measure terminal voltage and current
Setup supports variable load conditions
Clear terminal labeling and safe-to-use design
Ideal for physics and electrical engineering laboratories
This trainer is essential for foundational understanding of power source behavior, and is useful in both academic and technical training environments.
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