The ETB-253 Transient Analysis Trainer enables a comprehensive study of transient behavior in RC (Resistor-Capacitor) and RL (Resistor-Inductor) circuits. It is equipped with an internal power supply, switching arrangements, and test points for waveform observation. Students can analyze the charging/discharging curves of capacitors and the growth/decay of current in inductors, which are fundamental to understanding the time-domain response of first-order circuits. This trainer is ideal for use in electronics and electrical engineering labs.