Description
The Study of LR Circuit With a Source of Alternating E.M.F Apparatus is a precision educational trainer designed to demonstrate the behavior of an inductive (LR) circuit when connected to an AC supply. This apparatus enables students to study impedance, phase difference, voltage–current relationship, and power factor in an AC LR circuit.
Ideal for physics laboratories, electronics labs, engineering colleges, polytechnic institutes, and technical training centers.
✅ Key Features
⚡ Comprehensive LR Circuit Analysis
Study of LR circuit under alternating current
Demonstrates inductive reactance and impedance
Analysis of current variation with frequency and resistance
🔄 AC Source with Variable Output
Built-in low-voltage AC supply
Enables safe experimentation with alternating E.M.F
Allows observation of voltage and current behavior in AC circuits
📊 Accurate Measurement System
High-precision AC voltmeter and ammeter
Measurement of applied voltage, current, and voltage drops
Enables calculation of impedance, reactance, and power factor
🔧 Well-Defined Circuit Configuration
Fixed inductor and resistor mounted on board
Clearly marked terminals and test points
Supports easy observation of phase difference
🧱 Educational Trainer Design
Printed circuit diagram on front panel
Simple layout for easy understanding
Compact, rugged enclosure suitable for student use
🛡 Safety & Reliability
Low-voltage, student-safe operation
Overload protection
High-quality components for long-term durability
📘 Typical Applications
Study of AC LR circuits
Understanding inductive reactance and impedance
Phase relationship between voltage and current
Power factor analysis
Physics and electronics practical experiments
💡 Why Choose This Apparatus?
Clear demonstration of LR circuit behavior with AC supply
Accurate and repeatable experimental results
Essential trainer for AC circuit fundamentals
Ideal for academic and technical training laboratories
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